Home / 12,876,008.80-19,314,013.20-3,900,560.80

Finding the Fourth Proportional to 12,876,008.80, 19,314,013.20 and 3,900,560.80

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Solution

The fourth proportional to 12,876,008.80, 19,314,013.20 and 3,900,560.80 is: 5,850,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876,008.80 : 19,314,013.20 = 3,900,560.80 : x
  2. Step 2: Convert to fraction form
    12,876,008.80/19,314,013.20 = 3,900,560.80/x
  3. Step 3: Cross multiply
    12,876,008.80x = 19,314,013.20 × 3,900,560.80
  4. Step 4: Simplify right side
    12,876,008.80x = 75,335,482,778,602.55
  5. Step 5: Solve for x
    x = 75,335,482,778,602.55/12,876,008.80
  6. Step 6: Final answer
    x = 5,850,841.20

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Similar ratio
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1.5x scale

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.