Home / 25,692,310.39-38,542,785.20-12,739,100.62

Finding the Fourth Proportional to 25,692,310.39, 38,542,785.20 and 12,739,100.62

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Solution

The fourth proportional to 25,692,310.39, 38,542,785.20 and 12,739,100.62 is: 19,110,792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,692,310.39 : 38,542,785.20 = 12,739,100.62 : x
  2. Step 2: Convert to fraction form
    25,692,310.39/38,542,785.20 = 12,739,100.62/x
  3. Step 3: Cross multiply
    25,692,310.39x = 38,542,785.20 × 12,739,100.62
  4. Step 4: Simplify right side
    25,692,310.39x = 491,000,418,837,846.81
  5. Step 5: Solve for x
    x = 491,000,418,837,846.81/25,692,310.39
  6. Step 6: Final answer
    x = 19,110,792.74

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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.