Home / 9,169,778.70-12,654,425.34-5,040,191.45

Finding the Fourth Proportional to 9,169,778.70, 12,654,425.34 and 5,040,191.45

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Solution

The fourth proportional to 9,169,778.70, 12,654,425.34 and 5,040,191.45 is: 6,955,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169,778.70 : 12,654,425.34 = 5,040,191.45 : x
  2. Step 2: Convert to fraction form
    9,169,778.70/12,654,425.34 = 5,040,191.45/x
  3. Step 3: Cross multiply
    9,169,778.70x = 12,654,425.34 × 5,040,191.45
  4. Step 4: Simplify right side
    9,169,778.70x = 63,780,726,340,059.22
  5. Step 5: Solve for x
    x = 63,780,726,340,059.22/9,169,778.70
  6. Step 6: Final answer
    x = 6,955,536.05

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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.