Home / 25,591,996.80-38,387,995.20-8,320,164.30

Finding the Fourth Proportional to 25,591,996.80, 38,387,995.20 and 8,320,164.30

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Solution

The fourth proportional to 25,591,996.80, 38,387,995.20 and 8,320,164.30 is: 12,480,246.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,591,996.80 : 38,387,995.20 = 8,320,164.30 : x
  2. Step 2: Convert to fraction form
    25,591,996.80/38,387,995.20 = 8,320,164.30/x
  3. Step 3: Cross multiply
    25,591,996.80x = 38,387,995.20 × 8,320,164.30
  4. Step 4: Simplify right side
    25,591,996.80x = 319,394,427,211,611.38
  5. Step 5: Solve for x
    x = 319,394,427,211,611.38/25,591,996.80
  6. Step 6: Final answer
    x = 12,480,246.45

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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.