Home / 12,479,625.60-18,713,908.80-5,750,102.40

Finding the Fourth Proportional to 12,479,625.60, 18,713,908.80 and 5,750,102.40

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Solution

The fourth proportional to 12,479,625.60, 18,713,908.80 and 5,750,102.40 is: 8,622,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479,625.60 : 18,713,908.80 = 5,750,102.40 : x
  2. Step 2: Convert to fraction form
    12,479,625.60/18,713,908.80 = 5,750,102.40/x
  3. Step 3: Cross multiply
    12,479,625.60x = 18,713,908.80 × 5,750,102.40
  4. Step 4: Simplify right side
    12,479,625.60x = 107,606,891,904,261.12
  5. Step 5: Solve for x
    x = 107,606,891,904,261.12/12,479,625.60
  6. Step 6: Final answer
    x = 8,622,605.79

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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.