Home / 8,059,427.40-12,089,141.10-7,443,568.20

Finding the Fourth Proportional to 8,059,427.40, 12,089,141.10 and 7,443,568.20

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Solution

The fourth proportional to 8,059,427.40, 12,089,141.10 and 7,443,568.20 is: 11,165,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059,427.40 : 12,089,141.10 = 7,443,568.20 : x
  2. Step 2: Convert to fraction form
    8,059,427.40/12,089,141.10 = 7,443,568.20/x
  3. Step 3: Cross multiply
    8,059,427.40x = 12,089,141.10 × 7,443,568.20
  4. Step 4: Simplify right side
    8,059,427.40x = 89,986,346,257,273.02
  5. Step 5: Solve for x
    x = 89,986,346,257,273.02/8,059,427.40
  6. Step 6: Final answer
    x = 11,165,352.30

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Double scale
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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.