Home / 26,493,605.40-39,740,408.10-20,754,042.60

Finding the Fourth Proportional to 26,493,605.40, 39,740,408.10 and 20,754,042.60

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Solution

The fourth proportional to 26,493,605.40, 39,740,408.10 and 20,754,042.60 is: 31,131,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,493,605.40 : 39,740,408.10 = 20,754,042.60 : x
  2. Step 2: Convert to fraction form
    26,493,605.40/39,740,408.10 = 20,754,042.60/x
  3. Step 3: Cross multiply
    26,493,605.40x = 39,740,408.10 × 20,754,042.60
  4. Step 4: Simplify right side
    26,493,605.40x = 824,774,122,648,785.12
  5. Step 5: Solve for x
    x = 824,774,122,648,785.12/26,493,605.40
  6. Step 6: Final answer
    x = 31,131,063.90

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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.