Home / 8,147,500.80-11,238,873.84-5,086,400.64

Finding the Fourth Proportional to 8,147,500.80, 11,238,873.84 and 5,086,400.64

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Solution

The fourth proportional to 8,147,500.80, 11,238,873.84 and 5,086,400.64 is: 7,016,312.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147,500.80 : 11,238,873.84 = 5,086,400.64 : x
  2. Step 2: Convert to fraction form
    8,147,500.80/11,238,873.84 = 5,086,400.64/x
  3. Step 3: Cross multiply
    8,147,500.80x = 11,238,873.84 × 5,086,400.64
  4. Step 4: Simplify right side
    8,147,500.80x = 57,165,415,092,655.25
  5. Step 5: Solve for x
    x = 57,165,415,092,655.25/8,147,500.80
  6. Step 6: Final answer
    x = 7,016,312.92

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1.5x scale

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.