Home / 10,502,020.80-15,753,031.20-9,793,432.80

Finding the Fourth Proportional to 10,502,020.80, 15,753,031.20 and 9,793,432.80

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Solution

The fourth proportional to 10,502,020.80, 15,753,031.20 and 9,793,432.80 is: 14,690,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,020.80 : 15,753,031.20 = 9,793,432.80 : x
  2. Step 2: Convert to fraction form
    10,502,020.80/15,753,031.20 = 9,793,432.80/x
  3. Step 3: Cross multiply
    10,502,020.80x = 15,753,031.20 × 9,793,432.80
  4. Step 4: Simplify right side
    10,502,020.80x = 154,276,252,453,503.38
  5. Step 5: Solve for x
    x = 154,276,252,453,503.38/10,502,020.80
  6. Step 6: Final answer
    x = 14,690,149.20

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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.