Home / 12,309,833.97-18,449,616-6,907,133.82

Finding the Fourth Proportional to 12,309,833.97, 18,449,616 and 6,907,133.82

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Solution

The fourth proportional to 12,309,833.97, 18,449,616 and 6,907,133.82 is: 10,352,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,309,833.97 : 18,449,616 = 6,907,133.82 : x
  2. Step 2: Convert to fraction form
    12,309,833.97/18,449,616 = 6,907,133.82/x
  3. Step 3: Cross multiply
    12,309,833.97x = 18,449,616 × 6,907,133.82
  4. Step 4: Simplify right side
    12,309,833.97x = 127,433,966,639,613.12
  5. Step 5: Solve for x
    x = 127,433,966,639,613.12/12,309,833.97
  6. Step 6: Final answer
    x = 10,352,208.40

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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.