Home / 15,715,293.26-21,685,932.30-8,838,446.72

Finding the Fourth Proportional to 15,715,293.26, 21,685,932.30 and 8,838,446.72

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Solution

The fourth proportional to 15,715,293.26, 21,685,932.30 and 8,838,446.72 is: 12,196,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,715,293.26 : 21,685,932.30 = 8,838,446.72 : x
  2. Step 2: Convert to fraction form
    15,715,293.26/21,685,932.30 = 8,838,446.72/x
  3. Step 3: Cross multiply
    15,715,293.26x = 21,685,932.30 × 8,838,446.72
  4. Step 4: Simplify right side
    15,715,293.26x = 191,669,957,098,647.41
  5. Step 5: Solve for x
    x = 191,669,957,098,647.41/15,715,293.26
  6. Step 6: Final answer
    x = 12,196,397.10

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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.