Home / 8,512,817.60-12,769,226.40-5,663,691.20

Finding the Fourth Proportional to 8,512,817.60, 12,769,226.40 and 5,663,691.20

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Solution

The fourth proportional to 8,512,817.60, 12,769,226.40 and 5,663,691.20 is: 8,495,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512,817.60 : 12,769,226.40 = 5,663,691.20 : x
  2. Step 2: Convert to fraction form
    8,512,817.60/12,769,226.40 = 5,663,691.20/x
  3. Step 3: Cross multiply
    8,512,817.60x = 12,769,226.40 × 5,663,691.20
  4. Step 4: Simplify right side
    8,512,817.60x = 72,320,955,192,487.69
  5. Step 5: Solve for x
    x = 72,320,955,192,487.69/8,512,817.60
  6. Step 6: Final answer
    x = 8,495,536.80

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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.