Home / 20,941,321.80-31,414,935.15-6,562,890.30

Finding the Fourth Proportional to 20,941,321.80, 31,414,935.15 and 6,562,890.30

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Solution

The fourth proportional to 20,941,321.80, 31,414,935.15 and 6,562,890.30 is: 9,845,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941,321.80 : 31,414,935.15 = 6,562,890.30 : x
  2. Step 2: Convert to fraction form
    20,941,321.80/31,414,935.15 = 6,562,890.30/x
  3. Step 3: Cross multiply
    20,941,321.80x = 31,414,935.15 × 6,562,890.30
  4. Step 4: Simplify right side
    20,941,321.80x = 206,172,773,171,064.03
  5. Step 5: Solve for x
    x = 206,172,773,171,064.03/20,941,321.80
  6. Step 6: Final answer
    x = 9,845,260.73

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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.