Home / 15,016,544-20,739,937.92-10,179,249.92

Finding the Fourth Proportional to 15,016,544, 20,739,937.92 and 10,179,249.92

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Solution

The fourth proportional to 15,016,544, 20,739,937.92 and 10,179,249.92 is: 14,058,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016,544 : 20,739,937.92 = 10,179,249.92 : x
  2. Step 2: Convert to fraction form
    15,016,544/20,739,937.92 = 10,179,249.92/x
  3. Step 3: Cross multiply
    15,016,544x = 20,739,937.92 × 10,179,249.92
  4. Step 4: Simplify right side
    15,016,544x = 211,117,011,412,964.97
  5. Step 5: Solve for x
    x = 211,117,011,412,964.97/15,016,544
  6. Step 6: Final answer
    x = 14,058,961.33

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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.