Home / 43,722,672.30-65,584,008.45-13,432,041.90

Finding the Fourth Proportional to 43,722,672.30, 65,584,008.45 and 13,432,041.90

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Solution

The fourth proportional to 43,722,672.30, 65,584,008.45 and 13,432,041.90 is: 20,148,062.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,722,672.30 : 65,584,008.45 = 13,432,041.90 : x
  2. Step 2: Convert to fraction form
    43,722,672.30/65,584,008.45 = 13,432,041.90/x
  3. Step 3: Cross multiply
    43,722,672.30x = 65,584,008.45 × 13,432,041.90
  4. Step 4: Simplify right side
    43,722,672.30x = 880,927,149,470,354.12
  5. Step 5: Solve for x
    x = 880,927,149,470,354.12/43,722,672.30
  6. Step 6: Final answer
    x = 20,148,062.85

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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.