Home / 20,754,362.80-31,047,563.40-18,234,938.80

Finding the Fourth Proportional to 20,754,362.80, 31,047,563.40 and 18,234,938.80

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Solution

The fourth proportional to 20,754,362.80, 31,047,563.40 and 18,234,938.80 is: 27,278,622.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754,362.80 : 31,047,563.40 = 18,234,938.80 : x
  2. Step 2: Convert to fraction form
    20,754,362.80/31,047,563.40 = 18,234,938.80/x
  3. Step 3: Cross multiply
    20,754,362.80x = 31,047,563.40 × 18,234,938.80
  4. Step 4: Simplify right side
    20,754,362.80x = 566,150,418,488,119.88
  5. Step 5: Solve for x
    x = 566,150,418,488,119.88/20,754,362.80
  6. Step 6: Final answer
    x = 27,278,622.04

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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.