Home / 7,129,914.44-9,839,214.96-3,866,801.18

Finding the Fourth Proportional to 7,129,914.44, 9,839,214.96 and 3,866,801.18

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Solution

The fourth proportional to 7,129,914.44, 9,839,214.96 and 3,866,801.18 is: 5,336,149.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,914.44 : 9,839,214.96 = 3,866,801.18 : x
  2. Step 2: Convert to fraction form
    7,129,914.44/9,839,214.96 = 3,866,801.18/x
  3. Step 3: Cross multiply
    7,129,914.44x = 9,839,214.96 × 3,866,801.18
  4. Step 4: Simplify right side
    7,129,914.44x = 38,046,288,017,601.66
  5. Step 5: Solve for x
    x = 38,046,288,017,601.66/7,129,914.44
  6. Step 6: Final answer
    x = 5,336,149.31

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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.