Home / 8,193,733.20-12,290,599.80-5,642,816.40

Finding the Fourth Proportional to 8,193,733.20, 12,290,599.80 and 5,642,816.40

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Solution

The fourth proportional to 8,193,733.20, 12,290,599.80 and 5,642,816.40 is: 8,464,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193,733.20 : 12,290,599.80 = 5,642,816.40 : x
  2. Step 2: Convert to fraction form
    8,193,733.20/12,290,599.80 = 5,642,816.40/x
  3. Step 3: Cross multiply
    8,193,733.20x = 12,290,599.80 × 5,642,816.40
  4. Step 4: Simplify right side
    8,193,733.20x = 69,353,598,117,276.73
  5. Step 5: Solve for x
    x = 69,353,598,117,276.73/8,193,733.20
  6. Step 6: Final answer
    x = 8,464,224.60

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.