Home / 7,218,863.80-9,961,084.86-4,317,196

Finding the Fourth Proportional to 7,218,863.80, 9,961,084.86 and 4,317,196

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Solution

The fourth proportional to 7,218,863.80, 9,961,084.86 and 4,317,196 is: 5,957,164.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,863.80 : 9,961,084.86 = 4,317,196 : x
  2. Step 2: Convert to fraction form
    7,218,863.80/9,961,084.86 = 4,317,196/x
  3. Step 3: Cross multiply
    7,218,863.80x = 9,961,084.86 × 4,317,196
  4. Step 4: Simplify right side
    7,218,863.80x = 43,003,955,713,252.55
  5. Step 5: Solve for x
    x = 43,003,955,713,252.55/7,218,863.80
  6. Step 6: Final answer
    x = 5,957,164.02

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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.