Home / 8,129,993.28-12,199,713.84-3,642,269.28

Finding the Fourth Proportional to 8,129,993.28, 12,199,713.84 and 3,642,269.28

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Solution

The fourth proportional to 8,129,993.28, 12,199,713.84 and 3,642,269.28 is: 5,465,520.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,993.28 : 12,199,713.84 = 3,642,269.28 : x
  2. Step 2: Convert to fraction form
    8,129,993.28/12,199,713.84 = 3,642,269.28/x
  3. Step 3: Cross multiply
    8,129,993.28x = 12,199,713.84 × 3,642,269.28
  4. Step 4: Simplify right side
    8,129,993.28x = 44,434,642,944,222.84
  5. Step 5: Solve for x
    x = 44,434,642,944,222.84/8,129,993.28
  6. Step 6: Final answer
    x = 5,465,520.25

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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.