Home / 20,754,366.30-31,047,568.65-18,234,942.30

Finding the Fourth Proportional to 20,754,366.30, 31,047,568.65 and 18,234,942.30

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Solution

The fourth proportional to 20,754,366.30, 31,047,568.65 and 18,234,942.30 is: 27,278,627.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754,366.30 : 31,047,568.65 = 18,234,942.30 : x
  2. Step 2: Convert to fraction form
    20,754,366.30/31,047,568.65 = 18,234,942.30/x
  3. Step 3: Cross multiply
    20,754,366.30x = 31,047,568.65 × 18,234,942.30
  4. Step 4: Simplify right side
    20,754,366.30x = 566,150,622,888,038.88
  5. Step 5: Solve for x
    x = 566,150,622,888,038.88/20,754,366.30
  6. Step 6: Final answer
    x = 27,278,627.29

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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.