Home / 25,128,286.20-37,692,429.30-8,972,479.80

Finding the Fourth Proportional to 25,128,286.20, 37,692,429.30 and 8,972,479.80

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Solution

The fourth proportional to 25,128,286.20, 37,692,429.30 and 8,972,479.80 is: 13,458,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,128,286.20 : 37,692,429.30 = 8,972,479.80 : x
  2. Step 2: Convert to fraction form
    25,128,286.20/37,692,429.30 = 8,972,479.80/x
  3. Step 3: Cross multiply
    25,128,286.20x = 37,692,429.30 × 8,972,479.80
  4. Step 4: Simplify right side
    25,128,286.20x = 338,194,560,507,178.12
  5. Step 5: Solve for x
    x = 338,194,560,507,178.12/25,128,286.20
  6. Step 6: Final answer
    x = 13,458,719.70

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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.