Home / 11,664,019.10-17,496,028.65-7,380,998.30

Finding the Fourth Proportional to 11,664,019.10, 17,496,028.65 and 7,380,998.30

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Solution

The fourth proportional to 11,664,019.10, 17,496,028.65 and 7,380,998.30 is: 11,071,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664,019.10 : 17,496,028.65 = 7,380,998.30 : x
  2. Step 2: Convert to fraction form
    11,664,019.10/17,496,028.65 = 7,380,998.30/x
  3. Step 3: Cross multiply
    11,664,019.10x = 17,496,028.65 × 7,380,998.30
  4. Step 4: Simplify right side
    11,664,019.10x = 129,138,157,722,401.28
  5. Step 5: Solve for x
    x = 129,138,157,722,401.28/11,664,019.10
  6. Step 6: Final answer
    x = 11,071,497.45

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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.