Home / 14,040,900.70-21,061,351.05-9,170,014.30

Finding the Fourth Proportional to 14,040,900.70, 21,061,351.05 and 9,170,014.30

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Solution

The fourth proportional to 14,040,900.70, 21,061,351.05 and 9,170,014.30 is: 13,755,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040,900.70 : 21,061,351.05 = 9,170,014.30 : x
  2. Step 2: Convert to fraction form
    14,040,900.70/21,061,351.05 = 9,170,014.30/x
  3. Step 3: Cross multiply
    14,040,900.70x = 21,061,351.05 × 9,170,014.30
  4. Step 4: Simplify right side
    14,040,900.70x = 193,132,890,305,820.03
  5. Step 5: Solve for x
    x = 193,132,890,305,820.03/14,040,900.70
  6. Step 6: Final answer
    x = 13,755,021.45

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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.