Home / 8,398,465.12-12,578,757.52-3,901,277.28

Finding the Fourth Proportional to 8,398,465.12, 12,578,757.52 and 3,901,277.28

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Solution

The fourth proportional to 8,398,465.12, 12,578,757.52 and 3,901,277.28 is: 5,843,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398,465.12 : 12,578,757.52 = 3,901,277.28 : x
  2. Step 2: Convert to fraction form
    8,398,465.12/12,578,757.52 = 3,901,277.28/x
  3. Step 3: Cross multiply
    8,398,465.12x = 12,578,757.52 × 3,901,277.28
  4. Step 4: Simplify right side
    8,398,465.12x = 49,073,220,923,405.14
  5. Step 5: Solve for x
    x = 49,073,220,923,405.14/8,398,465.12
  6. Step 6: Final answer
    x = 5,843,117.79

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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.