Home / 25,692,308.39-38,542,782.20-12,739,098.62

Finding the Fourth Proportional to 25,692,308.39, 38,542,782.20 and 12,739,098.62

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Solution

The fourth proportional to 25,692,308.39, 38,542,782.20 and 12,739,098.62 is: 19,110,789.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,692,308.39 : 38,542,782.20 = 12,739,098.62 : x
  2. Step 2: Convert to fraction form
    25,692,308.39/38,542,782.20 = 12,739,098.62/x
  3. Step 3: Cross multiply
    25,692,308.39x = 38,542,782.20 × 12,739,098.62
  4. Step 4: Simplify right side
    25,692,308.39x = 491,000,303,278,571.19
  5. Step 5: Solve for x
    x = 491,000,303,278,571.19/25,692,308.39
  6. Step 6: Final answer
    x = 19,110,789.73

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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.