Home / 8,092,631.70-12,138,947.55-2,108,999.70

Finding the Fourth Proportional to 8,092,631.70, 12,138,947.55 and 2,108,999.70

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Solution

The fourth proportional to 8,092,631.70, 12,138,947.55 and 2,108,999.70 is: 3,163,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,092,631.70 : 12,138,947.55 = 2,108,999.70 : x
  2. Step 2: Convert to fraction form
    8,092,631.70/12,138,947.55 = 2,108,999.70/x
  3. Step 3: Cross multiply
    8,092,631.70x = 12,138,947.55 × 2,108,999.70
  4. Step 4: Simplify right side
    8,092,631.70x = 25,601,036,741,265.74
  5. Step 5: Solve for x
    x = 25,601,036,741,265.74/8,092,631.70
  6. Step 6: Final answer
    x = 3,163,499.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.