Home / 18,389,780.62-25,377,895.48-10,659,307

Finding the Fourth Proportional to 18,389,780.62, 25,377,895.48 and 10,659,307

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Solution

The fourth proportional to 18,389,780.62, 25,377,895.48 and 10,659,307 is: 14,709,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389,780.62 : 25,377,895.48 = 10,659,307 : x
  2. Step 2: Convert to fraction form
    18,389,780.62/25,377,895.48 = 10,659,307/x
  3. Step 3: Cross multiply
    18,389,780.62x = 25,377,895.48 × 10,659,307
  4. Step 4: Simplify right side
    18,389,780.62x = 270,510,778,935,232.38
  5. Step 5: Solve for x
    x = 270,510,778,935,232.38/18,389,780.62
  6. Step 6: Final answer
    x = 14,709,842.63

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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.