Home / 19,928,276.30-29,892,414.45-12,747,917.90

Finding the Fourth Proportional to 19,928,276.30, 29,892,414.45 and 12,747,917.90

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Solution

The fourth proportional to 19,928,276.30, 29,892,414.45 and 12,747,917.90 is: 19,121,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,276.30 : 29,892,414.45 = 12,747,917.90 : x
  2. Step 2: Convert to fraction form
    19,928,276.30/29,892,414.45 = 12,747,917.90/x
  3. Step 3: Cross multiply
    19,928,276.30x = 29,892,414.45 × 12,747,917.90
  4. Step 4: Simplify right side
    19,928,276.30x = 381,066,045,241,373.69
  5. Step 5: Solve for x
    x = 381,066,045,241,373.69/19,928,276.30
  6. Step 6: Final answer
    x = 19,121,876.85

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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.