Home / 11,897,187.76-16,418,217.50-6,464,679.76

Finding the Fourth Proportional to 11,897,187.76, 16,418,217.50 and 6,464,679.76

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Solution

The fourth proportional to 11,897,187.76, 16,418,217.50 and 6,464,679.76 is: 8,921,311.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,897,187.76 : 16,418,217.50 = 6,464,679.76 : x
  2. Step 2: Convert to fraction form
    11,897,187.76/16,418,217.50 = 6,464,679.76/x
  3. Step 3: Cross multiply
    11,897,187.76x = 16,418,217.50 × 6,464,679.76
  4. Step 4: Simplify right side
    11,897,187.76x = 106,138,518,367,527.80
  5. Step 5: Solve for x
    x = 106,138,518,367,527.80/11,897,187.76
  6. Step 6: Final answer
    x = 8,921,311.53

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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.