Home / 20,672,639.87-31,006,593.72-5,527,752.35

Finding the Fourth Proportional to 20,672,639.87, 31,006,593.72 and 5,527,752.35

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Solution

The fourth proportional to 20,672,639.87, 31,006,593.72 and 5,527,752.35 is: 8,290,995.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672,639.87 : 31,006,593.72 = 5,527,752.35 : x
  2. Step 2: Convert to fraction form
    20,672,639.87/31,006,593.72 = 5,527,752.35/x
  3. Step 3: Cross multiply
    20,672,639.87x = 31,006,593.72 × 5,527,752.35
  4. Step 4: Simplify right side
    20,672,639.87x = 171,396,771,146,192.25
  5. Step 5: Solve for x
    x = 171,396,771,146,192.25/20,672,639.87
  6. Step 6: Final answer
    x = 8,290,995.84

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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.