Home / 28,067,880.89-38,719,167.29-17,760,582.70

Finding the Fourth Proportional to 28,067,880.89, 38,719,167.29 and 17,760,582.70

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Solution

The fourth proportional to 28,067,880.89, 38,719,167.29 and 17,760,582.70 is: 24,500,423.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067,880.89 : 38,719,167.29 = 17,760,582.70 : x
  2. Step 2: Convert to fraction form
    28,067,880.89/38,719,167.29 = 17,760,582.70/x
  3. Step 3: Cross multiply
    28,067,880.89x = 38,719,167.29 × 17,760,582.70
  4. Step 4: Simplify right side
    28,067,880.89x = 687,674,972,729,179.88
  5. Step 5: Solve for x
    x = 687,674,972,729,179.88/28,067,880.89
  6. Step 6: Final answer
    x = 24,500,423.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.