Home / 20,044,072.80-27,660,893.76-10,876,715.20

Finding the Fourth Proportional to 20,044,072.80, 27,660,893.76 and 10,876,715.20

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Solution

The fourth proportional to 20,044,072.80, 27,660,893.76 and 10,876,715.20 is: 15,009,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044,072.80 : 27,660,893.76 = 10,876,715.20 : x
  2. Step 2: Convert to fraction form
    20,044,072.80/27,660,893.76 = 10,876,715.20/x
  3. Step 3: Cross multiply
    20,044,072.80x = 27,660,893.76 × 10,876,715.20
  4. Step 4: Simplify right side
    20,044,072.80x = 300,859,663,604,977.12
  5. Step 5: Solve for x
    x = 300,859,663,604,977.12/20,044,072.80
  6. Step 6: Final answer
    x = 15,009,906.75

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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.