Home / 7,800,265.13-11,690,814.78-4,381,364.95

Finding the Fourth Proportional to 7,800,265.13, 11,690,814.78 and 4,381,364.95

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Solution

The fourth proportional to 7,800,265.13, 11,690,814.78 and 4,381,364.95 is: 6,566,664.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800,265.13 : 11,690,814.78 = 4,381,364.95 : x
  2. Step 2: Convert to fraction form
    7,800,265.13/11,690,814.78 = 4,381,364.95/x
  3. Step 3: Cross multiply
    7,800,265.13x = 11,690,814.78 × 4,381,364.95
  4. Step 4: Simplify right side
    7,800,265.13x = 51,221,726,084,806.92
  5. Step 5: Solve for x
    x = 51,221,726,084,806.92/7,800,265.13
  6. Step 6: Final answer
    x = 6,566,664.76

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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.