Home / 15,156,592.40-20,915,853.48-8,280,926.96

Finding the Fourth Proportional to 15,156,592.40, 20,915,853.48 and 8,280,926.96

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Solution

The fourth proportional to 15,156,592.40, 20,915,853.48 and 8,280,926.96 is: 11,427,545.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,156,592.40 : 20,915,853.48 = 8,280,926.96 : x
  2. Step 2: Convert to fraction form
    15,156,592.40/20,915,853.48 = 8,280,926.96/x
  3. Step 3: Cross multiply
    15,156,592.40x = 20,915,853.48 × 8,280,926.96
  4. Step 4: Simplify right side
    15,156,592.40x = 173,202,654,973,941.81
  5. Step 5: Solve for x
    x = 173,202,654,973,941.81/15,156,592.40
  6. Step 6: Final answer
    x = 11,427,545.88

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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.