Home / 13,068,001.12-18,034,279.74-7,187,884.06

Finding the Fourth Proportional to 13,068,001.12, 18,034,279.74 and 7,187,884.06

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Solution

The fourth proportional to 13,068,001.12, 18,034,279.74 and 7,187,884.06 is: 9,919,521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068,001.12 : 18,034,279.74 = 7,187,884.06 : x
  2. Step 2: Convert to fraction form
    13,068,001.12/18,034,279.74 = 7,187,884.06/x
  3. Step 3: Cross multiply
    13,068,001.12x = 18,034,279.74 × 7,187,884.06
  4. Step 4: Simplify right side
    13,068,001.12x = 129,628,311,876,726.92
  5. Step 5: Solve for x
    x = 129,628,311,876,726.92/13,068,001.12
  6. Step 6: Final answer
    x = 9,919,521.03

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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.