Home / 7,431,410.80-11,147,116.20-4,242,764.80

Finding the Fourth Proportional to 7,431,410.80, 11,147,116.20 and 4,242,764.80

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Solution

The fourth proportional to 7,431,410.80, 11,147,116.20 and 4,242,764.80 is: 6,364,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431,410.80 : 11,147,116.20 = 4,242,764.80 : x
  2. Step 2: Convert to fraction form
    7,431,410.80/11,147,116.20 = 4,242,764.80/x
  3. Step 3: Cross multiply
    7,431,410.80x = 11,147,116.20 × 4,242,764.80
  4. Step 4: Simplify right side
    7,431,410.80x = 47,294,592,234,869.76
  5. Step 5: Solve for x
    x = 47,294,592,234,869.76/7,431,410.80
  6. Step 6: Final answer
    x = 6,364,147.20

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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.