Home / 12,189,508.97-16,823,236.10-7,544,783.88

Finding the Fourth Proportional to 12,189,508.97, 16,823,236.10 and 7,544,783.88

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Solution

The fourth proportional to 12,189,508.97, 16,823,236.10 and 7,544,783.88 is: 10,412,862.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,189,508.97 : 16,823,236.10 = 7,544,783.88 : x
  2. Step 2: Convert to fraction form
    12,189,508.97/16,823,236.10 = 7,544,783.88/x
  3. Step 3: Cross multiply
    12,189,508.97x = 16,823,236.10 × 7,544,783.88
  4. Step 4: Simplify right side
    12,189,508.97x = 126,927,680,498,990.14
  5. Step 5: Solve for x
    x = 126,927,680,498,990.14/12,189,508.97
  6. Step 6: Final answer
    x = 10,412,862.48

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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.