Home / 15,269,358.80-21,072,228.27-8,988,752.86

Finding the Fourth Proportional to 15,269,358.80, 21,072,228.27 and 8,988,752.86

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Solution

The fourth proportional to 15,269,358.80, 21,072,228.27 and 8,988,752.86 is: 12,404,781.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,269,358.80 : 21,072,228.27 = 8,988,752.86 : x
  2. Step 2: Convert to fraction form
    15,269,358.80/21,072,228.27 = 8,988,752.86/x
  3. Step 3: Cross multiply
    15,269,358.80x = 21,072,228.27 × 8,988,752.86
  4. Step 4: Simplify right side
    15,269,358.80x = 189,413,052,042,146.94
  5. Step 5: Solve for x
    x = 189,413,052,042,146.94/15,269,358.80
  6. Step 6: Final answer
    x = 12,404,781.01

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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.