Home / 15,253,132.50-21,044,201.22-8,636,816.59

Finding the Fourth Proportional to 15,253,132.50, 21,044,201.22 and 8,636,816.59

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Solution

The fourth proportional to 15,253,132.50, 21,044,201.22 and 8,636,816.59 is: 11,915,906.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,253,132.50 : 21,044,201.22 = 8,636,816.59 : x
  2. Step 2: Convert to fraction form
    15,253,132.50/21,044,201.22 = 8,636,816.59/x
  3. Step 3: Cross multiply
    15,253,132.50x = 21,044,201.22 × 8,636,816.59
  4. Step 4: Simplify right side
    15,253,132.50x = 181,754,906,167,583.72
  5. Step 5: Solve for x
    x = 181,754,906,167,583.72/15,253,132.50
  6. Step 6: Final answer
    x = 11,915,906.86

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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.