Home / 12,312,591.12-18,468,886.84-3,337,143.12

Finding the Fourth Proportional to 12,312,591.12, 18,468,886.84 and 3,337,143.12

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Solution

The fourth proportional to 12,312,591.12, 18,468,886.84 and 3,337,143.12 is: 5,005,714.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312,591.12 : 18,468,886.84 = 3,337,143.12 : x
  2. Step 2: Convert to fraction form
    12,312,591.12/18,468,886.84 = 3,337,143.12/x
  3. Step 3: Cross multiply
    12,312,591.12x = 18,468,886.84 × 3,337,143.12
  4. Step 4: Simplify right side
    12,312,591.12x = 61,633,318,652,164.54
  5. Step 5: Solve for x
    x = 61,633,318,652,164.54/12,312,591.12
  6. Step 6: Final answer
    x = 5,005,714.72

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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.