Home / 25,488,942.80-38,233,414.20-20,450,094.80

Finding the Fourth Proportional to 25,488,942.80, 38,233,414.20 and 20,450,094.80

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Solution

The fourth proportional to 25,488,942.80, 38,233,414.20 and 20,450,094.80 is: 30,675,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,488,942.80 : 38,233,414.20 = 20,450,094.80 : x
  2. Step 2: Convert to fraction form
    25,488,942.80/38,233,414.20 = 20,450,094.80/x
  3. Step 3: Cross multiply
    25,488,942.80x = 38,233,414.20 × 20,450,094.80
  4. Step 4: Simplify right side
    25,488,942.80x = 781,876,944,917,666.25
  5. Step 5: Solve for x
    x = 781,876,944,917,666.25/25,488,942.80
  6. Step 6: Final answer
    x = 30,675,142.20

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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.