Home / 7,800,265.75-11,690,815.72-4,381,365.57

Finding the Fourth Proportional to 7,800,265.75, 11,690,815.72 and 4,381,365.57

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Solution

The fourth proportional to 7,800,265.75, 11,690,815.72 and 4,381,365.57 is: 6,566,665.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800,265.75 : 11,690,815.72 = 4,381,365.57 : x
  2. Step 2: Convert to fraction form
    7,800,265.75/11,690,815.72 = 4,381,365.57/x
  3. Step 3: Cross multiply
    7,800,265.75x = 11,690,815.72 × 4,381,365.57
  4. Step 4: Simplify right side
    7,800,265.75x = 51,221,737,499,096.38
  5. Step 5: Solve for x
    x = 51,221,737,499,096.38/7,800,265.75
  6. Step 6: Final answer
    x = 6,566,665.69

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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.