Home / 26,505,943.80-39,747,105.90-12,133,417.20

Finding the Fourth Proportional to 26,505,943.80, 39,747,105.90 and 12,133,417.20

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Solution

The fourth proportional to 26,505,943.80, 39,747,105.90 and 12,133,417.20 is: 18,194,719.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,505,943.80 : 39,747,105.90 = 12,133,417.20 : x
  2. Step 2: Convert to fraction form
    26,505,943.80/39,747,105.90 = 12,133,417.20/x
  3. Step 3: Cross multiply
    26,505,943.80x = 39,747,105.90 × 12,133,417.20
  4. Step 4: Simplify right side
    26,505,943.80x = 482,268,218,377,281.44
  5. Step 5: Solve for x
    x = 482,268,218,377,281.44/26,505,943.80
  6. Step 6: Final answer
    x = 18,194,719.72

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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.