Home / 7,218,862.80-9,961,083.48-4,317,195

Finding the Fourth Proportional to 7,218,862.80, 9,961,083.48 and 4,317,195

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Solution

The fourth proportional to 7,218,862.80, 9,961,083.48 and 4,317,195 is: 5,957,162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,862.80 : 9,961,083.48 = 4,317,195 : x
  2. Step 2: Convert to fraction form
    7,218,862.80/9,961,083.48 = 4,317,195/x
  3. Step 3: Cross multiply
    7,218,862.80x = 9,961,083.48 × 4,317,195
  4. Step 4: Simplify right side
    7,218,862.80x = 43,003,939,794,438.60
  5. Step 5: Solve for x
    x = 43,003,939,794,438.60/7,218,862.80
  6. Step 6: Final answer
    x = 5,957,162.64

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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.