Home / 11,650,230.80-17,475,346.20-7,619,152.40

Finding the Fourth Proportional to 11,650,230.80, 17,475,346.20 and 7,619,152.40

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Solution

The fourth proportional to 11,650,230.80, 17,475,346.20 and 7,619,152.40 is: 11,428,728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,650,230.80 : 17,475,346.20 = 7,619,152.40 : x
  2. Step 2: Convert to fraction form
    11,650,230.80/17,475,346.20 = 7,619,152.40/x
  3. Step 3: Cross multiply
    11,650,230.80x = 17,475,346.20 × 7,619,152.40
  4. Step 4: Simplify right side
    11,650,230.80x = 133,147,325,940,560.88
  5. Step 5: Solve for x
    x = 133,147,325,940,560.88/11,650,230.80
  6. Step 6: Final answer
    x = 11,428,728.60

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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.