Home / 19,337,147.60-29,026,716.60-12,156,789.20

Finding the Fourth Proportional to 19,337,147.60, 29,026,716.60 and 12,156,789.20

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Solution

The fourth proportional to 19,337,147.60, 29,026,716.60 and 12,156,789.20 is: 18,248,382.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337,147.60 : 29,026,716.60 = 12,156,789.20 : x
  2. Step 2: Convert to fraction form
    19,337,147.60/29,026,716.60 = 12,156,789.20/x
  3. Step 3: Cross multiply
    19,337,147.60x = 29,026,716.60 × 12,156,789.20
  4. Step 4: Simplify right side
    19,337,147.60x = 352,871,674,874,340.69
  5. Step 5: Solve for x
    x = 352,871,674,874,340.69/19,337,147.60
  6. Step 6: Final answer
    x = 18,248,382.97

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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.