Home / 13,286,816.20-19,930,224.30-7,224,452.20

Finding the Fourth Proportional to 13,286,816.20, 19,930,224.30 and 7,224,452.20

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Solution

The fourth proportional to 13,286,816.20, 19,930,224.30 and 7,224,452.20 is: 10,836,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,816.20 : 19,930,224.30 = 7,224,452.20 : x
  2. Step 2: Convert to fraction form
    13,286,816.20/19,930,224.30 = 7,224,452.20/x
  3. Step 3: Cross multiply
    13,286,816.20x = 19,930,224.30 × 7,224,452.20
  4. Step 4: Simplify right side
    13,286,816.20x = 143,984,952,790,628.47
  5. Step 5: Solve for x
    x = 143,984,952,790,628.47/13,286,816.20
  6. Step 6: Final answer
    x = 10,836,678.30

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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.