Home / 28,006,114,036.92-38,648,553,813.27-15,145,753,995.66

Finding the Fourth Proportional to 28,006,114,036.92, 38,648,553,813.27 and 15,145,753,995.66

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Solution

The fourth proportional to 28,006,114,036.92, 38,648,553,813.27 and 15,145,753,995.66 is: 20,901,203,486.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006,114,036.92 : 38,648,553,813.27 = 15,145,753,995.66 : x
  2. Step 2: Convert to fraction form
    28,006,114,036.92/38,648,553,813.27 = 15,145,753,995.66/x
  3. Step 3: Cross multiply
    28,006,114,036.92x = 38,648,553,813.27 × 15,145,753,995.66
  4. Step 4: Simplify right side
    28,006,114,036.92x = 585,361,488,343,814,569,984
  5. Step 5: Solve for x
    x = 585,361,488,343,814,569,984/28,006,114,036.92
  6. Step 6: Final answer
    x = 20,901,203,486.22

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.