Home / 8,143,126.01-11,241,876.66-6,278,468.85

Finding the Fourth Proportional to 8,143,126.01, 11,241,876.66 and 6,278,468.85

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Solution

The fourth proportional to 8,143,126.01, 11,241,876.66 and 6,278,468.85 is: 8,667,650.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,126.01 : 11,241,876.66 = 6,278,468.85 : x
  2. Step 2: Convert to fraction form
    8,143,126.01/11,241,876.66 = 6,278,468.85/x
  3. Step 3: Cross multiply
    8,143,126.01x = 11,241,876.66 × 6,278,468.85
  4. Step 4: Simplify right side
    8,143,126.01x = 70,581,772,425,352.03
  5. Step 5: Solve for x
    x = 70,581,772,425,352.03/8,143,126.01
  6. Step 6: Final answer
    x = 8,667,650.77

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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.