Home / 6,912,672.20-10,369,008.30-6,520,761.80

Finding the Fourth Proportional to 6,912,672.20, 10,369,008.30 and 6,520,761.80

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Solution

The fourth proportional to 6,912,672.20, 10,369,008.30 and 6,520,761.80 is: 9,781,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,672.20 : 10,369,008.30 = 6,520,761.80 : x
  2. Step 2: Convert to fraction form
    6,912,672.20/10,369,008.30 = 6,520,761.80/x
  3. Step 3: Cross multiply
    6,912,672.20x = 10,369,008.30 × 6,520,761.80
  4. Step 4: Simplify right side
    6,912,672.20x = 67,613,833,226,522.95
  5. Step 5: Solve for x
    x = 67,613,833,226,522.95/6,912,672.20
  6. Step 6: Final answer
    x = 9,781,142.70

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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.