Home / 27,229,387.20-40,788,093.60-18,719,332.80

Finding the Fourth Proportional to 27,229,387.20, 40,788,093.60 and 18,719,332.80

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Solution

The fourth proportional to 27,229,387.20, 40,788,093.60 and 18,719,332.80 is: 28,040,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,229,387.20 : 40,788,093.60 = 18,719,332.80 : x
  2. Step 2: Convert to fraction form
    27,229,387.20/40,788,093.60 = 18,719,332.80/x
  3. Step 3: Cross multiply
    27,229,387.20x = 40,788,093.60 × 18,719,332.80
  4. Step 4: Simplify right side
    27,229,387.20x = 763,525,898,375,950.12
  5. Step 5: Solve for x
    x = 763,525,898,375,950.12/27,229,387.20
  6. Step 6: Final answer
    x = 28,040,509.79

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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.