Home / 20,703,302.10-28,570,557.87-12,006,519.21

Finding the Fourth Proportional to 20,703,302.10, 28,570,557.87 and 12,006,519.21

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Solution

The fourth proportional to 20,703,302.10, 28,570,557.87 and 12,006,519.21 is: 16,568,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,703,302.10 : 28,570,557.87 = 12,006,519.21 : x
  2. Step 2: Convert to fraction form
    20,703,302.10/28,570,557.87 = 12,006,519.21/x
  3. Step 3: Cross multiply
    20,703,302.10x = 28,570,557.87 × 12,006,519.21
  4. Step 4: Simplify right side
    20,703,302.10x = 343,032,951,906,571.75
  5. Step 5: Solve for x
    x = 343,032,951,906,571.75/20,703,302.10
  6. Step 6: Final answer
    x = 16,568,997.07

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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.