Home / 14,040,905.80-21,061,358.70-12,305,302.60

Finding the Fourth Proportional to 14,040,905.80, 21,061,358.70 and 12,305,302.60

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Solution

The fourth proportional to 14,040,905.80, 21,061,358.70 and 12,305,302.60 is: 18,457,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040,905.80 : 21,061,358.70 = 12,305,302.60 : x
  2. Step 2: Convert to fraction form
    14,040,905.80/21,061,358.70 = 12,305,302.60/x
  3. Step 3: Cross multiply
    14,040,905.80x = 21,061,358.70 × 12,305,302.60
  4. Step 4: Simplify right side
    14,040,905.80x = 259,166,391,970,642.59
  5. Step 5: Solve for x
    x = 259,166,391,970,642.59/14,040,905.80
  6. Step 6: Final answer
    x = 18,457,953.90

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Similar ratio
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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.