Home / 8,131,615.74-11,219,747.27-4,867,190.19

Finding the Fourth Proportional to 8,131,615.74, 11,219,747.27 and 4,867,190.19

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Solution

The fourth proportional to 8,131,615.74, 11,219,747.27 and 4,867,190.19 is: 6,715,595.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131,615.74 : 11,219,747.27 = 4,867,190.19 : x
  2. Step 2: Convert to fraction form
    8,131,615.74/11,219,747.27 = 4,867,190.19/x
  3. Step 3: Cross multiply
    8,131,615.74x = 11,219,747.27 × 4,867,190.19
  4. Step 4: Simplify right side
    8,131,615.74x = 54,608,643,822,487.34
  5. Step 5: Solve for x
    x = 54,608,643,822,487.34/8,131,615.74
  6. Step 6: Final answer
    x = 6,715,595.72

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Double scale
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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.