Home / 13,310,094.56-18,367,930.58-7,198,523.06

Finding the Fourth Proportional to 13,310,094.56, 18,367,930.58 and 7,198,523.06

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Solution

The fourth proportional to 13,310,094.56, 18,367,930.58 and 7,198,523.06 is: 9,933,961.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,094.56 : 18,367,930.58 = 7,198,523.06 : x
  2. Step 2: Convert to fraction form
    13,310,094.56/18,367,930.58 = 7,198,523.06/x
  3. Step 3: Cross multiply
    13,310,094.56x = 18,367,930.58 × 7,198,523.06
  4. Step 4: Simplify right side
    13,310,094.56x = 132,221,971,716,776.89
  5. Step 5: Solve for x
    x = 132,221,971,716,776.89/13,310,094.56
  6. Step 6: Final answer
    x = 9,933,961.86

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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.