Home / 13,758,963.30-20,610,062.55-8,061,920.10

Finding the Fourth Proportional to 13,758,963.30, 20,610,062.55 and 8,061,920.10

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Solution

The fourth proportional to 13,758,963.30, 20,610,062.55 and 8,061,920.10 is: 12,076,249.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,758,963.30 : 20,610,062.55 = 8,061,920.10 : x
  2. Step 2: Convert to fraction form
    13,758,963.30/20,610,062.55 = 8,061,920.10/x
  3. Step 3: Cross multiply
    13,758,963.30x = 20,610,062.55 × 8,061,920.10
  4. Step 4: Simplify right side
    13,758,963.30x = 166,156,677,534,102.25
  5. Step 5: Solve for x
    x = 166,156,677,534,102.25/13,758,963.30
  6. Step 6: Final answer
    x = 12,076,249.78

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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.