Home / 15,253,125.38-21,044,191.38-8,636,809.47

Finding the Fourth Proportional to 15,253,125.38, 21,044,191.38 and 8,636,809.47

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Solution

The fourth proportional to 15,253,125.38, 21,044,191.38 and 8,636,809.47 is: 11,915,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,253,125.38 : 21,044,191.38 = 8,636,809.47 : x
  2. Step 2: Convert to fraction form
    15,253,125.38/21,044,191.38 = 8,636,809.47/x
  3. Step 3: Cross multiply
    15,253,125.38x = 21,044,191.38 × 8,636,809.47
  4. Step 4: Simplify right side
    15,253,125.38x = 181,754,671,399,276.38
  5. Step 5: Solve for x
    x = 181,754,671,399,276.38/15,253,125.38
  6. Step 6: Final answer
    x = 11,915,897.03

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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.