Home / 20,940,132.85-31,410,899.12-5,792,795.89

Finding the Fourth Proportional to 20,940,132.85, 31,410,899.12 and 5,792,795.89

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Solution

The fourth proportional to 20,940,132.85, 31,410,899.12 and 5,792,795.89 is: 8,689,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,940,132.85 : 31,410,899.12 = 5,792,795.89 : x
  2. Step 2: Convert to fraction form
    20,940,132.85/31,410,899.12 = 5,792,795.89/x
  3. Step 3: Cross multiply
    20,940,132.85x = 31,410,899.12 × 5,792,795.89
  4. Step 4: Simplify right side
    20,940,132.85x = 181,956,927,294,576.62
  5. Step 5: Solve for x
    x = 181,956,927,294,576.62/20,940,132.85
  6. Step 6: Final answer
    x = 8,689,387.44

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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.