Home / 7,146,375.81-9,862,061.10-3,883,190.53

Finding the Fourth Proportional to 7,146,375.81, 9,862,061.10 and 3,883,190.53

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Solution

The fourth proportional to 7,146,375.81, 9,862,061.10 and 3,883,190.53 is: 5,358,836.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,375.81 : 9,862,061.10 = 3,883,190.53 : x
  2. Step 2: Convert to fraction form
    7,146,375.81/9,862,061.10 = 3,883,190.53/x
  3. Step 3: Cross multiply
    7,146,375.81x = 9,862,061.10 × 3,883,190.53
  4. Step 4: Simplify right side
    7,146,375.81x = 38,296,262,269,801.38
  5. Step 5: Solve for x
    x = 38,296,262,269,801.38/7,146,375.81
  6. Step 6: Final answer
    x = 5,358,836.88

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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.