Home / 20,754,363.30-31,047,564.15-18,234,939.30

Finding the Fourth Proportional to 20,754,363.30, 31,047,564.15 and 18,234,939.30

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Solution

The fourth proportional to 20,754,363.30, 31,047,564.15 and 18,234,939.30 is: 27,278,622.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754,363.30 : 31,047,564.15 = 18,234,939.30 : x
  2. Step 2: Convert to fraction form
    20,754,363.30/31,047,564.15 = 18,234,939.30/x
  3. Step 3: Cross multiply
    20,754,363.30x = 31,047,564.15 × 18,234,939.30
  4. Step 4: Simplify right side
    20,754,363.30x = 566,150,447,688,106.12
  5. Step 5: Solve for x
    x = 566,150,447,688,106.12/20,754,363.30
  6. Step 6: Final answer
    x = 27,278,622.79

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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.