Home / 14,313,000.30-21,469,500.45-11,478,648.30

Finding the Fourth Proportional to 14,313,000.30, 21,469,500.45 and 11,478,648.30

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Solution

The fourth proportional to 14,313,000.30, 21,469,500.45 and 11,478,648.30 is: 17,217,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313,000.30 : 21,469,500.45 = 11,478,648.30 : x
  2. Step 2: Convert to fraction form
    14,313,000.30/21,469,500.45 = 11,478,648.30/x
  3. Step 3: Cross multiply
    14,313,000.30x = 21,469,500.45 × 11,478,648.30
  4. Step 4: Simplify right side
    14,313,000.30x = 246,440,844,842,241.75
  5. Step 5: Solve for x
    x = 246,440,844,842,241.75/14,313,000.30
  6. Step 6: Final answer
    x = 17,217,972.45

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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.