Home / 10,365,743.40-15,548,615.10-10,206,311.10

Finding the Fourth Proportional to 10,365,743.40, 15,548,615.10 and 10,206,311.10

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Solution

The fourth proportional to 10,365,743.40, 15,548,615.10 and 10,206,311.10 is: 15,309,466.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365,743.40 : 15,548,615.10 = 10,206,311.10 : x
  2. Step 2: Convert to fraction form
    10,365,743.40/15,548,615.10 = 10,206,311.10/x
  3. Step 3: Cross multiply
    10,365,743.40x = 15,548,615.10 × 10,206,311.10
  4. Step 4: Simplify right side
    10,365,743.40x = 158,694,002,884,757.59
  5. Step 5: Solve for x
    x = 158,694,002,884,757.59/10,365,743.40
  6. Step 6: Final answer
    x = 15,309,466.65

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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.