Home / 10,431,458.16-15,649,399.08-3,242,816.88

Finding the Fourth Proportional to 10,431,458.16, 15,649,399.08 and 3,242,816.88

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Solution

The fourth proportional to 10,431,458.16, 15,649,399.08 and 3,242,816.88 is: 4,864,912.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431,458.16 : 15,649,399.08 = 3,242,816.88 : x
  2. Step 2: Convert to fraction form
    10,431,458.16/15,649,399.08 = 3,242,816.88/x
  3. Step 3: Cross multiply
    10,431,458.16x = 15,649,399.08 × 3,242,816.88
  4. Step 4: Simplify right side
    10,431,458.16x = 50,748,135,498,480.47
  5. Step 5: Solve for x
    x = 50,748,135,498,480.47/10,431,458.16
  6. Step 6: Final answer
    x = 4,864,912.91

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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.