Home / 20,899,277.10-28,845,245.44-12,079,103.04

Finding the Fourth Proportional to 20,899,277.10, 28,845,245.44 and 12,079,103.04

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Solution

The fourth proportional to 20,899,277.10, 28,845,245.44 and 12,079,103.04 is: 16,671,614.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,899,277.10 : 28,845,245.44 = 12,079,103.04 : x
  2. Step 2: Convert to fraction form
    20,899,277.10/28,845,245.44 = 12,079,103.04/x
  3. Step 3: Cross multiply
    20,899,277.10x = 28,845,245.44 × 12,079,103.04
  4. Step 4: Simplify right side
    20,899,277.10x = 348,424,691,883,850.12
  5. Step 5: Solve for x
    x = 348,424,691,883,850.12/20,899,277.10
  6. Step 6: Final answer
    x = 16,671,614.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.