Home / 18,317,806.42-25,279,397.43-10,975,481.92

Finding the Fourth Proportional to 18,317,806.42, 25,279,397.43 and 10,975,481.92

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Solution

The fourth proportional to 18,317,806.42, 25,279,397.43 and 10,975,481.92 is: 15,146,659.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317,806.42 : 25,279,397.43 = 10,975,481.92 : x
  2. Step 2: Convert to fraction form
    18,317,806.42/25,279,397.43 = 10,975,481.92/x
  3. Step 3: Cross multiply
    18,317,806.42x = 25,279,397.43 × 10,975,481.92
  4. Step 4: Simplify right side
    18,317,806.42x = 277,453,569,441,459.47
  5. Step 5: Solve for x
    x = 277,453,569,441,459.47/18,317,806.42
  6. Step 6: Final answer
    x = 15,146,659.11

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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.