Home / 7,443,013.40-11,164,520.10-3,183,612.20

Finding the Fourth Proportional to 7,443,013.40, 11,164,520.10 and 3,183,612.20

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Solution

The fourth proportional to 7,443,013.40, 11,164,520.10 and 3,183,612.20 is: 4,775,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443,013.40 : 11,164,520.10 = 3,183,612.20 : x
  2. Step 2: Convert to fraction form
    7,443,013.40/11,164,520.10 = 3,183,612.20/x
  3. Step 3: Cross multiply
    7,443,013.40x = 11,164,520.10 × 3,183,612.20
  4. Step 4: Simplify right side
    7,443,013.40x = 35,543,502,397,505.22
  5. Step 5: Solve for x
    x = 35,543,502,397,505.22/7,443,013.40
  6. Step 6: Final answer
    x = 4,775,418.30

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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.