Home / 20,672,406.53-31,006,245.78-5,527,519.01

Finding the Fourth Proportional to 20,672,406.53, 31,006,245.78 and 5,527,519.01

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Solution

The fourth proportional to 20,672,406.53, 31,006,245.78 and 5,527,519.01 is: 8,290,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672,406.53 : 31,006,245.78 = 5,527,519.01 : x
  2. Step 2: Convert to fraction form
    20,672,406.53/31,006,245.78 = 5,527,519.01/x
  3. Step 3: Cross multiply
    20,672,406.53x = 31,006,245.78 × 5,527,519.01
  4. Step 4: Simplify right side
    20,672,406.53x = 171,387,612,822,651.06
  5. Step 5: Solve for x
    x = 171,387,612,822,651.06/20,672,406.53
  6. Step 6: Final answer
    x = 8,290,646.40

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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.