Home / 7,145,818.97-9,861,266.66-3,882,642.03

Finding the Fourth Proportional to 7,145,818.97, 9,861,266.66 and 3,882,642.03

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Solution

The fourth proportional to 7,145,818.97, 9,861,266.66 and 3,882,642.03 is: 5,358,065.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,818.97 : 9,861,266.66 = 3,882,642.03 : x
  2. Step 2: Convert to fraction form
    7,145,818.97/9,861,266.66 = 3,882,642.03/x
  3. Step 3: Cross multiply
    7,145,818.97x = 9,861,266.66 × 3,882,642.03
  4. Step 4: Simplify right side
    7,145,818.97x = 38,287,768,383,740.51
  5. Step 5: Solve for x
    x = 38,287,768,383,740.51/7,145,818.97
  6. Step 6: Final answer
    x = 5,358,065.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.