Home / 7,244,861.20-10,867,291.80-6,461,040.40

Finding the Fourth Proportional to 7,244,861.20, 10,867,291.80 and 6,461,040.40

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Solution

The fourth proportional to 7,244,861.20, 10,867,291.80 and 6,461,040.40 is: 9,691,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244,861.20 : 10,867,291.80 = 6,461,040.40 : x
  2. Step 2: Convert to fraction form
    7,244,861.20/10,867,291.80 = 6,461,040.40/x
  3. Step 3: Cross multiply
    7,244,861.20x = 10,867,291.80 × 6,461,040.40
  4. Step 4: Simplify right side
    7,244,861.20x = 70,214,011,358,388.73
  5. Step 5: Solve for x
    x = 70,214,011,358,388.73/7,244,861.20
  6. Step 6: Final answer
    x = 9,691,560.60

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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.