Home / 40,255,138.38-60,326,843.28-18,341,964.78

Finding the Fourth Proportional to 40,255,138.38, 60,326,843.28 and 18,341,964.78

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Solution

The fourth proportional to 40,255,138.38, 60,326,843.28 and 18,341,964.78 is: 27,487,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,255,138.38 : 60,326,843.28 = 18,341,964.78 : x
  2. Step 2: Convert to fraction form
    40,255,138.38/60,326,843.28 = 18,341,964.78/x
  3. Step 3: Cross multiply
    40,255,138.38x = 60,326,843.28 × 18,341,964.78
  4. Step 4: Simplify right side
    40,255,138.38x = 1,106,512,834,730,339.75
  5. Step 5: Solve for x
    x = 1,106,512,834,730,339.75/40,255,138.38
  6. Step 6: Final answer
    x = 27,487,493.01

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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.