Home / 10,780,057.60-16,170,086.40-5,111,353.60

Finding the Fourth Proportional to 10,780,057.60, 16,170,086.40 and 5,111,353.60

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Solution

The fourth proportional to 10,780,057.60, 16,170,086.40 and 5,111,353.60 is: 7,667,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,057.60 : 16,170,086.40 = 5,111,353.60 : x
  2. Step 2: Convert to fraction form
    10,780,057.60/16,170,086.40 = 5,111,353.60/x
  3. Step 3: Cross multiply
    10,780,057.60x = 16,170,086.40 × 5,111,353.60
  4. Step 4: Simplify right side
    10,780,057.60x = 82,651,029,332,951.03
  5. Step 5: Solve for x
    x = 82,651,029,332,951.03/10,780,057.60
  6. Step 6: Final answer
    x = 7,667,030.40

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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.