Home / 7,001,471.71-9,661,792.24-3,861,859.77

Finding the Fourth Proportional to 7,001,471.71, 9,661,792.24 and 3,861,859.77

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Solution

The fourth proportional to 7,001,471.71, 9,661,792.24 and 3,861,859.77 is: 5,329,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001,471.71 : 9,661,792.24 = 3,861,859.77 : x
  2. Step 2: Convert to fraction form
    7,001,471.71/9,661,792.24 = 3,861,859.77/x
  3. Step 3: Cross multiply
    7,001,471.71x = 9,661,792.24 × 3,861,859.77
  4. Step 4: Simplify right side
    7,001,471.71x = 37,312,486,690,135.92
  5. Step 5: Solve for x
    x = 37,312,486,690,135.92/7,001,471.71
  6. Step 6: Final answer
    x = 5,329,234.80

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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.