Home / 13,476,823.10-20,215,234.65-13,122,529.10

Finding the Fourth Proportional to 13,476,823.10, 20,215,234.65 and 13,122,529.10

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Solution

The fourth proportional to 13,476,823.10, 20,215,234.65 and 13,122,529.10 is: 19,683,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476,823.10 : 20,215,234.65 = 13,122,529.10 : x
  2. Step 2: Convert to fraction form
    13,476,823.10/20,215,234.65 = 13,122,529.10/x
  3. Step 3: Cross multiply
    13,476,823.10x = 20,215,234.65 × 13,122,529.10
  4. Step 4: Simplify right side
    13,476,823.10x = 265,275,004,957,953.28
  5. Step 5: Solve for x
    x = 265,275,004,957,953.28/13,476,823.10
  6. Step 6: Final answer
    x = 19,683,793.65

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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.