Home / 8,264,155.31-12,397,516.46-4,218,454.08

Finding the Fourth Proportional to 8,264,155.31, 12,397,516.46 and 4,218,454.08

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Solution

The fourth proportional to 8,264,155.31, 12,397,516.46 and 4,218,454.08 is: 6,328,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264,155.31 : 12,397,516.46 = 4,218,454.08 : x
  2. Step 2: Convert to fraction form
    8,264,155.31/12,397,516.46 = 4,218,454.08/x
  3. Step 3: Cross multiply
    8,264,155.31x = 12,397,516.46 × 4,218,454.08
  4. Step 4: Simplify right side
    8,264,155.31x = 52,298,353,809,474.30
  5. Step 5: Solve for x
    x = 52,298,353,809,474.30/8,264,155.31
  6. Step 6: Final answer
    x = 6,328,336.27

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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.