Home / 12,097,060.80-18,145,591.20-8,065,982.40

Finding the Fourth Proportional to 12,097,060.80, 18,145,591.20 and 8,065,982.40

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Solution

The fourth proportional to 12,097,060.80, 18,145,591.20 and 8,065,982.40 is: 12,098,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,060.80 : 18,145,591.20 = 8,065,982.40 : x
  2. Step 2: Convert to fraction form
    12,097,060.80/18,145,591.20 = 8,065,982.40/x
  3. Step 3: Cross multiply
    12,097,060.80x = 18,145,591.20 × 8,065,982.40
  4. Step 4: Simplify right side
    12,097,060.80x = 146,362,019,256,794.88
  5. Step 5: Solve for x
    x = 146,362,019,256,794.88/12,097,060.80
  6. Step 6: Final answer
    x = 12,098,973.60

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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.