Home / 8,581,839.36-12,872,559.78-4,320,863.52

Finding the Fourth Proportional to 8,581,839.36, 12,872,559.78 and 4,320,863.52

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Solution

The fourth proportional to 8,581,839.36, 12,872,559.78 and 4,320,863.52 is: 6,481,194.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581,839.36 : 12,872,559.78 = 4,320,863.52 : x
  2. Step 2: Convert to fraction form
    8,581,839.36/12,872,559.78 = 4,320,863.52/x
  3. Step 3: Cross multiply
    8,581,839.36x = 12,872,559.78 × 4,320,863.52
  4. Step 4: Simplify right side
    8,581,839.36x = 55,620,573,962,421.22
  5. Step 5: Solve for x
    x = 55,620,573,962,421.22/8,581,839.36
  6. Step 6: Final answer
    x = 6,481,194.95

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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.