Home / 12,783,650.21-17,641,332.19-6,982,435.88

Finding the Fourth Proportional to 12,783,650.21, 17,641,332.19 and 6,982,435.88

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Solution

The fourth proportional to 12,783,650.21, 17,641,332.19 and 6,982,435.88 is: 9,635,704.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783,650.21 : 17,641,332.19 = 6,982,435.88 : x
  2. Step 2: Convert to fraction form
    12,783,650.21/17,641,332.19 = 6,982,435.88/x
  3. Step 3: Cross multiply
    12,783,650.21x = 17,641,332.19 × 6,982,435.88
  4. Step 4: Simplify right side
    12,783,650.21x = 123,179,470,854,454.98
  5. Step 5: Solve for x
    x = 123,179,470,854,454.98/12,783,650.21
  6. Step 6: Final answer
    x = 9,635,704.11

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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.