Home / 15,382,747.52-21,225,833.52-8,855,115.68

Finding the Fourth Proportional to 15,382,747.52, 21,225,833.52 and 8,855,115.68

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Solution

The fourth proportional to 15,382,747.52, 21,225,833.52 and 8,855,115.68 is: 12,218,702.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,382,747.52 : 21,225,833.52 = 8,855,115.68 : x
  2. Step 2: Convert to fraction form
    15,382,747.52/21,225,833.52 = 8,855,115.68/x
  3. Step 3: Cross multiply
    15,382,747.52x = 21,225,833.52 × 8,855,115.68
  4. Step 4: Simplify right side
    15,382,747.52x = 187,957,211,117,892.44
  5. Step 5: Solve for x
    x = 187,957,211,117,892.44/15,382,747.52
  6. Step 6: Final answer
    x = 12,218,702.21

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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.