Home / 7,491,200.90-11,236,801.35-3,239,672.90

Finding the Fourth Proportional to 7,491,200.90, 11,236,801.35 and 3,239,672.90

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Solution

The fourth proportional to 7,491,200.90, 11,236,801.35 and 3,239,672.90 is: 4,859,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491,200.90 : 11,236,801.35 = 3,239,672.90 : x
  2. Step 2: Convert to fraction form
    7,491,200.90/11,236,801.35 = 3,239,672.90/x
  3. Step 3: Cross multiply
    7,491,200.90x = 11,236,801.35 × 3,239,672.90
  4. Step 4: Simplify right side
    7,491,200.90x = 36,403,560,816,278.41
  5. Step 5: Solve for x
    x = 36,403,560,816,278.41/7,491,200.90
  6. Step 6: Final answer
    x = 4,859,509.35

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Double scale
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Similar ratio
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1.5x scale

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.