Home / 18,158,111.97-25,057,990.51-9,897,993.40

Finding the Fourth Proportional to 18,158,111.97, 25,057,990.51 and 9,897,993.40

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Solution

The fourth proportional to 18,158,111.97, 25,057,990.51 and 9,897,993.40 is: 13,659,119.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158,111.97 : 25,057,990.51 = 9,897,993.40 : x
  2. Step 2: Convert to fraction form
    18,158,111.97/25,057,990.51 = 9,897,993.40/x
  3. Step 3: Cross multiply
    18,158,111.97x = 25,057,990.51 × 9,897,993.40
  4. Step 4: Simplify right side
    18,158,111.97x = 248,023,824,644,836.38
  5. Step 5: Solve for x
    x = 248,023,824,644,836.38/18,158,111.97
  6. Step 6: Final answer
    x = 13,659,119.68

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1.5x scale

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.