Home / 20,899,269.03-28,845,234.32-12,079,094.97

Finding the Fourth Proportional to 20,899,269.03, 28,845,234.32 and 12,079,094.97

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Solution

The fourth proportional to 20,899,269.03, 28,845,234.32 and 12,079,094.97 is: 16,671,603.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,899,269.03 : 28,845,234.32 = 12,079,094.97 : x
  2. Step 2: Convert to fraction form
    20,899,269.03/28,845,234.32 = 12,079,094.97/x
  3. Step 3: Cross multiply
    20,899,269.03x = 28,845,234.32 × 12,079,094.97
  4. Step 4: Simplify right side
    20,899,269.03x = 348,424,324,722,787.94
  5. Step 5: Solve for x
    x = 348,424,324,722,787.94/20,899,269.03
  6. Step 6: Final answer
    x = 16,671,603.41

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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.