Home / 18,346,512.72-25,318,203.84-10,086,715.65

Finding the Fourth Proportional to 18,346,512.72, 25,318,203.84 and 10,086,715.65

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Solution

The fourth proportional to 18,346,512.72, 25,318,203.84 and 10,086,715.65 is: 13,919,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346,512.72 : 25,318,203.84 = 10,086,715.65 : x
  2. Step 2: Convert to fraction form
    18,346,512.72/25,318,203.84 = 10,086,715.65/x
  3. Step 3: Cross multiply
    18,346,512.72x = 25,318,203.84 × 10,086,715.65
  4. Step 4: Simplify right side
    18,346,512.72x = 255,377,522,902,818.09
  5. Step 5: Solve for x
    x = 255,377,522,902,818.09/18,346,512.72
  6. Step 6: Final answer
    x = 13,919,676.55

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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.