Home / 8,385,200.76-11,571,987.06-4,715,272.20

Finding the Fourth Proportional to 8,385,200.76, 11,571,987.06 and 4,715,272.20

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Solution

The fourth proportional to 8,385,200.76, 11,571,987.06 and 4,715,272.20 is: 6,507,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385,200.76 : 11,571,987.06 = 4,715,272.20 : x
  2. Step 2: Convert to fraction form
    8,385,200.76/11,571,987.06 = 4,715,272.20/x
  3. Step 3: Cross multiply
    8,385,200.76x = 11,571,987.06 × 4,715,272.20
  4. Step 4: Simplify right side
    8,385,200.76x = 54,565,068,882,777.73
  5. Step 5: Solve for x
    x = 54,565,068,882,777.73/8,385,200.76
  6. Step 6: Final answer
    x = 6,507,306.20

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Double scale
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Similar ratio
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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.