Home / 9,072,380.80-13,608,571.20-8,348,046.40

Finding the Fourth Proportional to 9,072,380.80, 13,608,571.20 and 8,348,046.40

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Solution

The fourth proportional to 9,072,380.80, 13,608,571.20 and 8,348,046.40 is: 12,522,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,380.80 : 13,608,571.20 = 8,348,046.40 : x
  2. Step 2: Convert to fraction form
    9,072,380.80/13,608,571.20 = 8,348,046.40/x
  3. Step 3: Cross multiply
    9,072,380.80x = 13,608,571.20 × 8,348,046.40
  4. Step 4: Simplify right side
    9,072,380.80x = 113,604,983,815,303.67
  5. Step 5: Solve for x
    x = 113,604,983,815,303.67/9,072,380.80
  6. Step 6: Final answer
    x = 12,522,069.60

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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.