Home / 7,871,934.57-10,862,934.06-4,387,087.90

Finding the Fourth Proportional to 7,871,934.57, 10,862,934.06 and 4,387,087.90

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Solution

The fourth proportional to 7,871,934.57, 10,862,934.06 and 4,387,087.90 is: 6,053,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,871,934.57 : 10,862,934.06 = 4,387,087.90 : x
  2. Step 2: Convert to fraction form
    7,871,934.57/10,862,934.06 = 4,387,087.90/x
  3. Step 3: Cross multiply
    7,871,934.57x = 10,862,934.06 × 4,387,087.90
  4. Step 4: Simplify right side
    7,871,934.57x = 47,656,646,573,123.88
  5. Step 5: Solve for x
    x = 47,656,646,573,123.88/7,871,934.57
  6. Step 6: Final answer
    x = 6,053,994.24

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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.