Home / 7,727,553.60-11,591,330.40-6,782,769.60

Finding the Fourth Proportional to 7,727,553.60, 11,591,330.40 and 6,782,769.60

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Solution

The fourth proportional to 7,727,553.60, 11,591,330.40 and 6,782,769.60 is: 10,174,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727,553.60 : 11,591,330.40 = 6,782,769.60 : x
  2. Step 2: Convert to fraction form
    7,727,553.60/11,591,330.40 = 6,782,769.60/x
  3. Step 3: Cross multiply
    7,727,553.60x = 11,591,330.40 × 6,782,769.60
  4. Step 4: Simplify right side
    7,727,553.60x = 78,621,323,460,675.84
  5. Step 5: Solve for x
    x = 78,621,323,460,675.84/7,727,553.60
  6. Step 6: Final answer
    x = 10,174,154.40

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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.