Home / 26,024,059.20-38,988,849.60-21,205,660.80

Finding the Fourth Proportional to 26,024,059.20, 38,988,849.60 and 21,205,660.80

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Solution

The fourth proportional to 26,024,059.20, 38,988,849.60 and 21,205,660.80 is: 31,769,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,024,059.20 : 38,988,849.60 = 21,205,660.80 : x
  2. Step 2: Convert to fraction form
    26,024,059.20/38,988,849.60 = 21,205,660.80/x
  3. Step 3: Cross multiply
    26,024,059.20x = 38,988,849.60 × 21,205,660.80
  4. Step 4: Simplify right side
    26,024,059.20x = 826,784,319,599,815.75
  5. Step 5: Solve for x
    x = 826,784,319,599,815.75/26,024,059.20
  6. Step 6: Final answer
    x = 31,769,998.42

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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.