Home / 12,837,854.97-17,718,056.22-7,944,653.07

Finding the Fourth Proportional to 12,837,854.97, 17,718,056.22 and 7,944,653.07

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Solution

The fourth proportional to 12,837,854.97, 17,718,056.22 and 7,944,653.07 is: 10,964,745.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837,854.97 : 17,718,056.22 = 7,944,653.07 : x
  2. Step 2: Convert to fraction form
    12,837,854.97/17,718,056.22 = 7,944,653.07/x
  3. Step 3: Cross multiply
    12,837,854.97x = 17,718,056.22 × 7,944,653.07
  4. Step 4: Simplify right side
    12,837,854.97x = 140,763,809,742,655.59
  5. Step 5: Solve for x
    x = 140,763,809,742,655.59/12,837,854.97
  6. Step 6: Final answer
    x = 10,964,745.28

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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.