Home / 15,375,472.25-21,218,594.56-8,500,397.18

Finding the Fourth Proportional to 15,375,472.25, 21,218,594.56 and 8,500,397.18

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Solution

The fourth proportional to 15,375,472.25, 21,218,594.56 and 8,500,397.18 is: 11,730,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,375,472.25 : 21,218,594.56 = 8,500,397.18 : x
  2. Step 2: Convert to fraction form
    15,375,472.25/21,218,594.56 = 8,500,397.18/x
  3. Step 3: Cross multiply
    15,375,472.25x = 21,218,594.56 × 8,500,397.18
  4. Step 4: Simplify right side
    15,375,472.25x = 180,366,481,234,043.41
  5. Step 5: Solve for x
    x = 180,366,481,234,043.41/15,375,472.25
  6. Step 6: Final answer
    x = 11,730,792.94

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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.