Home / 12,729,385.31-17,566,550.66-6,928,208.64

Finding the Fourth Proportional to 12,729,385.31, 17,566,550.66 and 6,928,208.64

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Solution

The fourth proportional to 12,729,385.31, 17,566,550.66 and 6,928,208.64 is: 9,560,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729,385.31 : 17,566,550.66 = 6,928,208.64 : x
  2. Step 2: Convert to fraction form
    12,729,385.31/17,566,550.66 = 6,928,208.64/x
  3. Step 3: Cross multiply
    12,729,385.31x = 17,566,550.66 × 6,928,208.64
  4. Step 4: Simplify right side
    12,729,385.31x = 121,704,728,074,930.23
  5. Step 5: Solve for x
    x = 121,704,728,074,930.23/12,729,385.31
  6. Step 6: Final answer
    x = 9,560,927.35

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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.