Home / 5,540,001.40-8,310,002.10-5,204,078.20

Finding the Fourth Proportional to 5,540,001.40, 8,310,002.10 and 5,204,078.20

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Solution

The fourth proportional to 5,540,001.40, 8,310,002.10 and 5,204,078.20 is: 7,806,117.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540,001.40 : 8,310,002.10 = 5,204,078.20 : x
  2. Step 2: Convert to fraction form
    5,540,001.40/8,310,002.10 = 5,204,078.20/x
  3. Step 3: Cross multiply
    5,540,001.40x = 8,310,002.10 × 5,204,078.20
  4. Step 4: Simplify right side
    5,540,001.40x = 43,245,900,770,564.22
  5. Step 5: Solve for x
    x = 43,245,900,770,564.22/5,540,001.40
  6. Step 6: Final answer
    x = 7,806,117.30

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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.