Home / 14,806,129.60-20,432,318.88-8,279,684.20

Finding the Fourth Proportional to 14,806,129.60, 20,432,318.88 and 8,279,684.20

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Solution

The fourth proportional to 14,806,129.60, 20,432,318.88 and 8,279,684.20 is: 11,425,885.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,806,129.60 : 20,432,318.88 = 8,279,684.20 : x
  2. Step 2: Convert to fraction form
    14,806,129.60/20,432,318.88 = 8,279,684.20/x
  3. Step 3: Cross multiply
    14,806,129.60x = 20,432,318.88 × 8,279,684.20
  4. Step 4: Simplify right side
    14,806,129.60x = 169,173,147,800,097.69
  5. Step 5: Solve for x
    x = 169,173,147,800,097.69/14,806,129.60
  6. Step 6: Final answer
    x = 11,425,885.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.