Home / 7,638,120.99-10,540,286.10-4,330,637.73

Finding the Fourth Proportional to 7,638,120.99, 10,540,286.10 and 4,330,637.73

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Solution

The fourth proportional to 7,638,120.99, 10,540,286.10 and 4,330,637.73 is: 5,976,098.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,120.99 : 10,540,286.10 = 4,330,637.73 : x
  2. Step 2: Convert to fraction form
    7,638,120.99/10,540,286.10 = 4,330,637.73/x
  3. Step 3: Cross multiply
    7,638,120.99x = 10,540,286.10 × 4,330,637.73
  4. Step 4: Simplify right side
    7,638,120.99x = 45,646,160,669,654.55
  5. Step 5: Solve for x
    x = 45,646,160,669,654.55/7,638,120.99
  6. Step 6: Final answer
    x = 5,976,098.14

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.