Home / 20,672,619.35-31,006,562.91-5,527,731.83

Finding the Fourth Proportional to 20,672,619.35, 31,006,562.91 and 5,527,731.83

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Solution

The fourth proportional to 20,672,619.35, 31,006,562.91 and 5,527,731.83 is: 8,290,965.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672,619.35 : 31,006,562.91 = 5,527,731.83 : x
  2. Step 2: Convert to fraction form
    20,672,619.35/31,006,562.91 = 5,527,731.83/x
  3. Step 3: Cross multiply
    20,672,619.35x = 31,006,562.91 × 5,527,731.83
  4. Step 4: Simplify right side
    20,672,619.35x = 171,395,964,736,504.44
  5. Step 5: Solve for x
    x = 171,395,964,736,504.44/20,672,619.35
  6. Step 6: Final answer
    x = 8,290,965.06

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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.