Home / 5,443,331.12-8,145,065.40-5,151,338.96

Finding the Fourth Proportional to 5,443,331.12, 8,145,065.40 and 5,151,338.96

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Solution

The fourth proportional to 5,443,331.12, 8,145,065.40 and 5,151,338.96 is: 7,708,146.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443,331.12 : 8,145,065.40 = 5,151,338.96 : x
  2. Step 2: Convert to fraction form
    5,443,331.12/8,145,065.40 = 5,151,338.96/x
  3. Step 3: Cross multiply
    5,443,331.12x = 8,145,065.40 × 5,151,338.96
  4. Step 4: Simplify right side
    5,443,331.12x = 41,957,992,726,767.98
  5. Step 5: Solve for x
    x = 41,957,992,726,767.98/5,443,331.12
  6. Step 6: Final answer
    x = 7,708,146.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.