Home / 12,828,751.18-17,703,680.97-7,027,741.78

Finding the Fourth Proportional to 12,828,751.18, 17,703,680.97 and 7,027,741.78

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Solution

The fourth proportional to 12,828,751.18, 17,703,680.97 and 7,027,741.78 is: 9,698,286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828,751.18 : 17,703,680.97 = 7,027,741.78 : x
  2. Step 2: Convert to fraction form
    12,828,751.18/17,703,680.97 = 7,027,741.78/x
  3. Step 3: Cross multiply
    12,828,751.18x = 17,703,680.97 × 7,027,741.78
  4. Step 4: Simplify right side
    12,828,751.18x = 124,416,898,412,659.92
  5. Step 5: Solve for x
    x = 124,416,898,412,659.92/12,828,751.18
  6. Step 6: Final answer
    x = 9,698,286.03

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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.