Home / 15,251,602,794.94-21,046,675,042.20-8,384,949,429.40

Finding the Fourth Proportional to 15,251,602,794.94, 21,046,675,042.20 and 8,384,949,429.40

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Solution

The fourth proportional to 15,251,602,794.94, 21,046,675,042.20 and 8,384,949,429.40 is: 11,570,935,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,251,602,794.94 : 21,046,675,042.20 = 8,384,949,429.40 : x
  2. Step 2: Convert to fraction form
    15,251,602,794.94/21,046,675,042.20 = 8,384,949,429.40/x
  3. Step 3: Cross multiply
    15,251,602,794.94x = 21,046,675,042.20 × 8,384,949,429.40
  4. Step 4: Simplify right side
    15,251,602,794.94x = 176,475,305,885,862,100,992
  5. Step 5: Solve for x
    x = 176,475,305,885,862,100,992/15,251,602,794.94
  6. Step 6: Final answer
    x = 11,570,935,085.22

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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.