Home / 8,221,268.67-12,331,017.19-2,156,608.32

Finding the Fourth Proportional to 8,221,268.67, 12,331,017.19 and 2,156,608.32

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Solution

The fourth proportional to 8,221,268.67, 12,331,017.19 and 2,156,608.32 is: 3,234,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221,268.67 : 12,331,017.19 = 2,156,608.32 : x
  2. Step 2: Convert to fraction form
    8,221,268.67/12,331,017.19 = 2,156,608.32/x
  3. Step 3: Cross multiply
    8,221,268.67x = 12,331,017.19 × 2,156,608.32
  4. Step 4: Simplify right side
    8,221,268.67x = 26,593,174,266,017.02
  5. Step 5: Solve for x
    x = 26,593,174,266,017.02/8,221,268.67
  6. Step 6: Final answer
    x = 3,234,680.11

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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.