Home / 20,754,080.80-31,047,140.40-18,234,656.80

Finding the Fourth Proportional to 20,754,080.80, 31,047,140.40 and 18,234,656.80

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Solution

The fourth proportional to 20,754,080.80, 31,047,140.40 and 18,234,656.80 is: 27,278,199.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754,080.80 : 31,047,140.40 = 18,234,656.80 : x
  2. Step 2: Convert to fraction form
    20,754,080.80/31,047,140.40 = 18,234,656.80/x
  3. Step 3: Cross multiply
    20,754,080.80x = 31,047,140.40 × 18,234,656.80
  4. Step 4: Simplify right side
    20,754,080.80x = 566,133,949,815,414.75
  5. Step 5: Solve for x
    x = 566,133,949,815,414.75/20,754,080.80
  6. Step 6: Final answer
    x = 27,278,199.18

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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.