Home / 7,145,812.71-9,861,258.01-3,882,635.77

Finding the Fourth Proportional to 7,145,812.71, 9,861,258.01 and 3,882,635.77

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Solution

The fourth proportional to 7,145,812.71, 9,861,258.01 and 3,882,635.77 is: 5,358,057.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,812.71 : 9,861,258.01 = 3,882,635.77 : x
  2. Step 2: Convert to fraction form
    7,145,812.71/9,861,258.01 = 3,882,635.77/x
  3. Step 3: Cross multiply
    7,145,812.71x = 9,861,258.01 × 3,882,635.77
  4. Step 4: Simplify right side
    7,145,812.71x = 38,287,673,086,825.02
  5. Step 5: Solve for x
    x = 38,287,673,086,825.02/7,145,812.71
  6. Step 6: Final answer
    x = 5,358,057.18

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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.