Home / 18,772,644-25,906,249.80-10,187,940

Finding the Fourth Proportional to 18,772,644, 25,906,249.80 and 10,187,940

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Solution

The fourth proportional to 18,772,644, 25,906,249.80 and 10,187,940 is: 14,059,357.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,772,644 : 25,906,249.80 = 10,187,940 : x
  2. Step 2: Convert to fraction form
    18,772,644/25,906,249.80 = 10,187,940/x
  3. Step 3: Cross multiply
    18,772,644x = 25,906,249.80 × 10,187,940
  4. Step 4: Simplify right side
    18,772,644x = 263,931,318,587,412
  5. Step 5: Solve for x
    x = 263,931,318,587,412/18,772,644
  6. Step 6: Final answer
    x = 14,059,357.79

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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.