Home / 12,536,179.20-17,299,680-7,310,161.92

Finding the Fourth Proportional to 12,536,179.20, 17,299,680 and 7,310,161.92

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Solution

The fourth proportional to 12,536,179.20, 17,299,680 and 7,310,161.92 is: 10,087,879.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536,179.20 : 17,299,680 = 7,310,161.92 : x
  2. Step 2: Convert to fraction form
    12,536,179.20/17,299,680 = 7,310,161.92/x
  3. Step 3: Cross multiply
    12,536,179.20x = 17,299,680 × 7,310,161.92
  4. Step 4: Simplify right side
    12,536,179.20x = 126,463,461,964,185.59
  5. Step 5: Solve for x
    x = 126,463,461,964,185.59/12,536,179.20
  6. Step 6: Final answer
    x = 10,087,879.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.