Home / 6,897,553.56-9,517,761.36-3,996,891.72

Finding the Fourth Proportional to 6,897,553.56, 9,517,761.36 and 3,996,891.72

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Solution

The fourth proportional to 6,897,553.56, 9,517,761.36 and 3,996,891.72 is: 5,515,210.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,553.56 : 9,517,761.36 = 3,996,891.72 : x
  2. Step 2: Convert to fraction form
    6,897,553.56/9,517,761.36 = 3,996,891.72/x
  3. Step 3: Cross multiply
    6,897,553.56x = 9,517,761.36 × 3,996,891.72
  4. Step 4: Simplify right side
    6,897,553.56x = 38,041,461,572,719.94
  5. Step 5: Solve for x
    x = 38,041,461,572,719.94/6,897,553.56
  6. Step 6: Final answer
    x = 5,515,210.75

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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.