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Finding the Fourth Proportional to 9,690,652.20, 14,532,479.10 and 4,896,748.20

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Solution

The fourth proportional to 9,690,652.20, 14,532,479.10 and 4,896,748.20 is: 7,343,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690,652.20 : 14,532,479.10 = 4,896,748.20 : x
  2. Step 2: Convert to fraction form
    9,690,652.20/14,532,479.10 = 4,896,748.20/x
  3. Step 3: Cross multiply
    9,690,652.20x = 14,532,479.10 × 4,896,748.20
  4. Step 4: Simplify right side
    9,690,652.20x = 71,161,890,874,462.62
  5. Step 5: Solve for x
    x = 71,161,890,874,462.62/9,690,652.20
  6. Step 6: Final answer
    x = 7,343,354.13

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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.