Home / 38,345,080.20-57,517,620.30-18,189,688.20

Finding the Fourth Proportional to 38,345,080.20, 57,517,620.30 and 18,189,688.20

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Solution

The fourth proportional to 38,345,080.20, 57,517,620.30 and 18,189,688.20 is: 27,284,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,345,080.20 : 57,517,620.30 = 18,189,688.20 : x
  2. Step 2: Convert to fraction form
    38,345,080.20/57,517,620.30 = 18,189,688.20/x
  3. Step 3: Cross multiply
    38,345,080.20x = 57,517,620.30 × 18,189,688.20
  4. Step 4: Simplify right side
    38,345,080.20x = 1,046,227,579,262,990.38
  5. Step 5: Solve for x
    x = 1,046,227,579,262,990.38/38,345,080.20
  6. Step 6: Final answer
    x = 27,284,532.30

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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.