Home / 13,608,049.60-20,412,074.40-5,524,897.60

Finding the Fourth Proportional to 13,608,049.60, 20,412,074.40 and 5,524,897.60

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Solution

The fourth proportional to 13,608,049.60, 20,412,074.40 and 5,524,897.60 is: 8,287,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,049.60 : 20,412,074.40 = 5,524,897.60 : x
  2. Step 2: Convert to fraction form
    13,608,049.60/20,412,074.40 = 5,524,897.60/x
  3. Step 3: Cross multiply
    13,608,049.60x = 20,412,074.40 × 5,524,897.60
  4. Step 4: Simplify right side
    13,608,049.60x = 112,774,620,863,581.42
  5. Step 5: Solve for x
    x = 112,774,620,863,581.42/13,608,049.60
  6. Step 6: Final answer
    x = 8,287,346.40

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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.