Home / 6,126,019.20-9,189,028.80-5,832,086.40

Finding the Fourth Proportional to 6,126,019.20, 9,189,028.80 and 5,832,086.40

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Solution

The fourth proportional to 6,126,019.20, 9,189,028.80 and 5,832,086.40 is: 8,748,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126,019.20 : 9,189,028.80 = 5,832,086.40 : x
  2. Step 2: Convert to fraction form
    6,126,019.20/9,189,028.80 = 5,832,086.40/x
  3. Step 3: Cross multiply
    6,126,019.20x = 9,189,028.80 × 5,832,086.40
  4. Step 4: Simplify right side
    6,126,019.20x = 53,591,209,893,688.33
  5. Step 5: Solve for x
    x = 53,591,209,893,688.33/6,126,019.20
  6. Step 6: Final answer
    x = 8,748,129.60

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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.