Home / 22,465,691.78-30,997,302.80-15,494,140.85

Finding the Fourth Proportional to 22,465,691.78, 30,997,302.80 and 15,494,140.85

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Solution

The fourth proportional to 22,465,691.78, 30,997,302.80 and 15,494,140.85 is: 21,378,223.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,465,691.78 : 30,997,302.80 = 15,494,140.85 : x
  2. Step 2: Convert to fraction form
    22,465,691.78/30,997,302.80 = 15,494,140.85/x
  3. Step 3: Cross multiply
    22,465,691.78x = 30,997,302.80 × 15,494,140.85
  4. Step 4: Simplify right side
    22,465,691.78x = 480,276,575,320,842.19
  5. Step 5: Solve for x
    x = 480,276,575,320,842.19/22,465,691.78
  6. Step 6: Final answer
    x = 21,378,223.30

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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.