Home / 13,310,080-18,367,910.43-7,198,508.50

Finding the Fourth Proportional to 13,310,080, 18,367,910.43 and 7,198,508.50

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Solution

The fourth proportional to 13,310,080, 18,367,910.43 and 7,198,508.50 is: 9,933,941.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,080 : 18,367,910.43 = 7,198,508.50 : x
  2. Step 2: Convert to fraction form
    13,310,080/18,367,910.43 = 7,198,508.50/x
  3. Step 3: Cross multiply
    13,310,080x = 18,367,910.43 × 7,198,508.50
  4. Step 4: Simplify right side
    13,310,080x = 132,221,559,357,593.66
  5. Step 5: Solve for x
    x = 132,221,559,357,593.66/13,310,080
  6. Step 6: Final answer
    x = 9,933,941.75

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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.