Home / 18,158,113.47-25,057,992.57-9,897,994.91

Finding the Fourth Proportional to 18,158,113.47, 25,057,992.57 and 9,897,994.91

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Solution

The fourth proportional to 18,158,113.47, 25,057,992.57 and 9,897,994.91 is: 13,659,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158,113.47 : 25,057,992.57 = 9,897,994.91 : x
  2. Step 2: Convert to fraction form
    18,158,113.47/25,057,992.57 = 9,897,994.91/x
  3. Step 3: Cross multiply
    18,158,113.47x = 25,057,992.57 × 9,897,994.91
  4. Step 4: Simplify right side
    18,158,113.47x = 248,023,882,787,387.84
  5. Step 5: Solve for x
    x = 248,023,882,787,387.84/18,158,113.47
  6. Step 6: Final answer
    x = 13,659,121.76

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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.