Home / 8,988,511.20-13,482,766.80-3,312,808.80

Finding the Fourth Proportional to 8,988,511.20, 13,482,766.80 and 3,312,808.80

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Solution

The fourth proportional to 8,988,511.20, 13,482,766.80 and 3,312,808.80 is: 4,969,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988,511.20 : 13,482,766.80 = 3,312,808.80 : x
  2. Step 2: Convert to fraction form
    8,988,511.20/13,482,766.80 = 3,312,808.80/x
  3. Step 3: Cross multiply
    8,988,511.20x = 13,482,766.80 × 3,312,808.80
  4. Step 4: Simplify right side
    8,988,511.20x = 44,665,828,503,387.84
  5. Step 5: Solve for x
    x = 44,665,828,503,387.84/8,988,511.20
  6. Step 6: Final answer
    x = 4,969,213.20

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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.