Home / 29,162,890.40-43,744,335.60-12,156,778.40

Finding the Fourth Proportional to 29,162,890.40, 43,744,335.60 and 12,156,778.40

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Solution

The fourth proportional to 29,162,890.40, 43,744,335.60 and 12,156,778.40 is: 18,235,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,162,890.40 : 43,744,335.60 = 12,156,778.40 : x
  2. Step 2: Convert to fraction form
    29,162,890.40/43,744,335.60 = 12,156,778.40/x
  3. Step 3: Cross multiply
    29,162,890.40x = 43,744,335.60 × 12,156,778.40
  4. Step 4: Simplify right side
    29,162,890.40x = 531,790,194,144,431.06
  5. Step 5: Solve for x
    x = 531,790,194,144,431.06/29,162,890.40
  6. Step 6: Final answer
    x = 18,235,167.60

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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.