Home / 26,448,046.30-39,672,069.45-18,721,812.70

Finding the Fourth Proportional to 26,448,046.30, 39,672,069.45 and 18,721,812.70

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Solution

The fourth proportional to 26,448,046.30, 39,672,069.45 and 18,721,812.70 is: 28,082,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,448,046.30 : 39,672,069.45 = 18,721,812.70 : x
  2. Step 2: Convert to fraction form
    26,448,046.30/39,672,069.45 = 18,721,812.70/x
  3. Step 3: Cross multiply
    26,448,046.30x = 39,672,069.45 × 18,721,812.70
  4. Step 4: Simplify right side
    26,448,046.30x = 742,733,053,664,292
  5. Step 5: Solve for x
    x = 742,733,053,664,292/26,448,046.30
  6. Step 6: Final answer
    x = 28,082,719.05

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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.