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Finding the Fourth Proportional to 32,745,645.90, 49,118,614.65 and 8,482,849.20

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Solution

The fourth proportional to 32,745,645.90, 49,118,614.65 and 8,482,849.20 is: 12,724,311.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,745,645.90 : 49,118,614.65 = 8,482,849.20 : x
  2. Step 2: Convert to fraction form
    32,745,645.90/49,118,614.65 = 8,482,849.20/x
  3. Step 3: Cross multiply
    32,745,645.90x = 49,118,614.65 × 8,482,849.20
  4. Step 4: Simplify right side
    32,745,645.90x = 416,665,800,988,860.75
  5. Step 5: Solve for x
    x = 416,665,800,988,860.75/32,745,645.90
  6. Step 6: Final answer
    x = 12,724,311.57

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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.