Home / 20,754,132.80-31,047,218.40-18,234,708.80

Finding the Fourth Proportional to 20,754,132.80, 31,047,218.40 and 18,234,708.80

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Solution

The fourth proportional to 20,754,132.80, 31,047,218.40 and 18,234,708.80 is: 27,278,277.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754,132.80 : 31,047,218.40 = 18,234,708.80 : x
  2. Step 2: Convert to fraction form
    20,754,132.80/31,047,218.40 = 18,234,708.80/x
  3. Step 3: Cross multiply
    20,754,132.80x = 31,047,218.40 × 18,234,708.80
  4. Step 4: Simplify right side
    20,754,132.80x = 566,136,986,574,001.88
  5. Step 5: Solve for x
    x = 566,136,986,574,001.88/20,754,132.80
  6. Step 6: Final answer
    x = 27,278,277.15

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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.