Home / 7,871,933.57-10,862,932.68-4,387,086.90

Finding the Fourth Proportional to 7,871,933.57, 10,862,932.68 and 4,387,086.90

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Solution

The fourth proportional to 7,871,933.57, 10,862,932.68 and 4,387,086.90 is: 6,053,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,871,933.57 : 10,862,932.68 = 4,387,086.90 : x
  2. Step 2: Convert to fraction form
    7,871,933.57/10,862,932.68 = 4,387,086.90/x
  3. Step 3: Cross multiply
    7,871,933.57x = 10,862,932.68 × 4,387,086.90
  4. Step 4: Simplify right side
    7,871,933.57x = 47,656,629,656,009.90
  5. Step 5: Solve for x
    x = 47,656,629,656,009.90/7,871,933.57
  6. Step 6: Final answer
    x = 6,053,992.87

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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.