Home / 14,901,391.20-20,565,624.92-8,286,639.60

Finding the Fourth Proportional to 14,901,391.20, 20,565,624.92 and 8,286,639.60

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Solution

The fourth proportional to 14,901,391.20, 20,565,624.92 and 8,286,639.60 is: 11,436,510.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,901,391.20 : 20,565,624.92 = 8,286,639.60 : x
  2. Step 2: Convert to fraction form
    14,901,391.20/20,565,624.92 = 8,286,639.60/x
  3. Step 3: Cross multiply
    14,901,391.20x = 20,565,624.92 × 8,286,639.60
  4. Step 4: Simplify right side
    14,901,391.20x = 170,419,921,860,818.84
  5. Step 5: Solve for x
    x = 170,419,921,860,818.84/14,901,391.20
  6. Step 6: Final answer
    x = 11,436,510.83

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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.