Home / 54,998,984.12-82,447,189.17-18,581,906.55

Finding the Fourth Proportional to 54,998,984.12, 82,447,189.17 and 18,581,906.55

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Solution

The fourth proportional to 54,998,984.12, 82,447,189.17 and 18,581,906.55 is: 27,855,532.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,998,984.12 : 82,447,189.17 = 18,581,906.55 : x
  2. Step 2: Convert to fraction form
    54,998,984.12/82,447,189.17 = 18,581,906.55/x
  3. Step 3: Cross multiply
    54,998,984.12x = 82,447,189.17 × 18,581,906.55
  4. Step 4: Simplify right side
    54,998,984.12x = 1,532,025,964,776,289.25
  5. Step 5: Solve for x
    x = 1,532,025,964,776,289.25/54,998,984.12
  6. Step 6: Final answer
    x = 27,855,532.05

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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.