Home / 20,904,013.80-31,356,020.70-20,904,013.80

Finding the Fourth Proportional to 20,904,013.80, 31,356,020.70 and 20,904,013.80

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Solution

The fourth proportional to 20,904,013.80, 31,356,020.70 and 20,904,013.80 is: 31,356,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,904,013.80 : 31,356,020.70 = 20,904,013.80 : x
  2. Step 2: Convert to fraction form
    20,904,013.80/31,356,020.70 = 20,904,013.80/x
  3. Step 3: Cross multiply
    20,904,013.80x = 31,356,020.70 × 20,904,013.80
  4. Step 4: Simplify right side
    20,904,013.80x = 655,466,689,425,885.62
  5. Step 5: Solve for x
    x = 655,466,689,425,885.62/20,904,013.80
  6. Step 6: Final answer
    x = 31,356,020.70

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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.