Home / 12,268,780.22-16,930,840.93-6,687,020.41

Finding the Fourth Proportional to 12,268,780.22, 16,930,840.93 and 6,687,020.41

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Solution

The fourth proportional to 12,268,780.22, 16,930,840.93 and 6,687,020.41 is: 9,228,046.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268,780.22 : 16,930,840.93 = 6,687,020.41 : x
  2. Step 2: Convert to fraction form
    12,268,780.22/16,930,840.93 = 6,687,020.41/x
  3. Step 3: Cross multiply
    12,268,780.22x = 16,930,840.93 × 6,687,020.41
  4. Step 4: Simplify right side
    12,268,780.22x = 113,216,878,798,328.72
  5. Step 5: Solve for x
    x = 113,216,878,798,328.72/12,268,780.22
  6. Step 6: Final answer
    x = 9,228,046.86

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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.