Home / 12,873,444.80-19,288,048.80-6,799,179.20

Finding the Fourth Proportional to 12,873,444.80, 19,288,048.80 and 6,799,179.20

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Solution

The fourth proportional to 12,873,444.80, 19,288,048.80 and 6,799,179.20 is: 10,187,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873,444.80 : 19,288,048.80 = 6,799,179.20 : x
  2. Step 2: Convert to fraction form
    12,873,444.80/19,288,048.80 = 6,799,179.20/x
  3. Step 3: Cross multiply
    12,873,444.80x = 19,288,048.80 × 6,799,179.20
  4. Step 4: Simplify right side
    12,873,444.80x = 131,142,900,209,544.97
  5. Step 5: Solve for x
    x = 131,142,900,209,544.97/12,873,444.80
  6. Step 6: Final answer
    x = 10,187,086.85

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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.