Home / 7,161,098.16-9,882,576.24-3,897,755.28

Finding the Fourth Proportional to 7,161,098.16, 9,882,576.24 and 3,897,755.28

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Solution

The fourth proportional to 7,161,098.16, 9,882,576.24 and 3,897,755.28 is: 5,379,044.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,098.16 : 9,882,576.24 = 3,897,755.28 : x
  2. Step 2: Convert to fraction form
    7,161,098.16/9,882,576.24 = 3,897,755.28/x
  3. Step 3: Cross multiply
    7,161,098.16x = 9,882,576.24 × 3,897,755.28
  4. Step 4: Simplify right side
    7,161,098.16x = 38,519,863,719,462.55
  5. Step 5: Solve for x
    x = 38,519,863,719,462.55/7,161,098.16
  6. Step 6: Final answer
    x = 5,379,044.23

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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.