Home / 7,254,016.78-10,010,542.92-3,990,761.32

Finding the Fourth Proportional to 7,254,016.78, 10,010,542.92 and 3,990,761.32

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Solution

The fourth proportional to 7,254,016.78, 10,010,542.92 and 3,990,761.32 is: 5,507,250.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254,016.78 : 10,010,542.92 = 3,990,761.32 : x
  2. Step 2: Convert to fraction form
    7,254,016.78/10,010,542.92 = 3,990,761.32/x
  3. Step 3: Cross multiply
    7,254,016.78x = 10,010,542.92 × 3,990,761.32
  4. Step 4: Simplify right side
    7,254,016.78x = 39,949,687,477,335.85
  5. Step 5: Solve for x
    x = 39,949,687,477,335.85/7,254,016.78
  6. Step 6: Final answer
    x = 5,507,250.49

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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.