Home / 19,490,013.70-29,172,034.95-15,206,992.90

Finding the Fourth Proportional to 19,490,013.70, 29,172,034.95 and 15,206,992.90

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Solution

The fourth proportional to 19,490,013.70, 29,172,034.95 and 15,206,992.90 is: 22,761,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490,013.70 : 29,172,034.95 = 15,206,992.90 : x
  2. Step 2: Convert to fraction form
    19,490,013.70/29,172,034.95 = 15,206,992.90/x
  3. Step 3: Cross multiply
    19,490,013.70x = 29,172,034.95 × 15,206,992.90
  4. Step 4: Simplify right side
    19,490,013.70x = 443,618,928,363,201.88
  5. Step 5: Solve for x
    x = 443,618,928,363,201.88/19,490,013.70
  6. Step 6: Final answer
    x = 22,761,345.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.