Home / 12,988,799.80-19,482,797.84-6,170,280.55

Finding the Fourth Proportional to 12,988,799.80, 19,482,797.84 and 6,170,280.55

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Solution

The fourth proportional to 12,988,799.80, 19,482,797.84 and 6,170,280.55 is: 9,255,229.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,988,799.80 : 19,482,797.84 = 6,170,280.55 : x
  2. Step 2: Convert to fraction form
    12,988,799.80/19,482,797.84 = 6,170,280.55/x
  3. Step 3: Cross multiply
    12,988,799.80x = 19,482,797.84 × 6,170,280.55
  4. Step 4: Simplify right side
    12,988,799.80x = 120,214,328,492,175.62
  5. Step 5: Solve for x
    x = 120,214,328,492,175.62/12,988,799.80
  6. Step 6: Final answer
    x = 9,255,229.92

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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.