Home / 15,636,425.52-21,578,229.85-8,572,006.14

Finding the Fourth Proportional to 15,636,425.52, 21,578,229.85 and 8,572,006.14

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Solution

The fourth proportional to 15,636,425.52, 21,578,229.85 and 8,572,006.14 is: 11,829,347.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,636,425.52 : 21,578,229.85 = 8,572,006.14 : x
  2. Step 2: Convert to fraction form
    15,636,425.52/21,578,229.85 = 8,572,006.14/x
  3. Step 3: Cross multiply
    15,636,425.52x = 21,578,229.85 × 8,572,006.14
  4. Step 4: Simplify right side
    15,636,425.52x = 184,968,718,764,531.31
  5. Step 5: Solve for x
    x = 184,968,718,764,531.31/15,636,425.52
  6. Step 6: Final answer
    x = 11,829,347.99

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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.