Home / 8,194,856.40-12,292,284.60-5,507,470.80

Finding the Fourth Proportional to 8,194,856.40, 12,292,284.60 and 5,507,470.80

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Solution

The fourth proportional to 8,194,856.40, 12,292,284.60 and 5,507,470.80 is: 8,261,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194,856.40 : 12,292,284.60 = 5,507,470.80 : x
  2. Step 2: Convert to fraction form
    8,194,856.40/12,292,284.60 = 5,507,470.80/x
  3. Step 3: Cross multiply
    8,194,856.40x = 12,292,284.60 × 5,507,470.80
  4. Step 4: Simplify right side
    8,194,856.40x = 67,699,398,499,789.67
  5. Step 5: Solve for x
    x = 67,699,398,499,789.67/8,194,856.40
  6. Step 6: Final answer
    x = 8,261,206.20

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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.