Home / 20,633,935.75-28,444,820.41-14,419,689.46

Finding the Fourth Proportional to 20,633,935.75, 28,444,820.41 and 14,419,689.46

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Solution

The fourth proportional to 20,633,935.75, 28,444,820.41 and 14,419,689.46 is: 19,878,198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,633,935.75 : 28,444,820.41 = 14,419,689.46 : x
  2. Step 2: Convert to fraction form
    20,633,935.75/28,444,820.41 = 14,419,689.46/x
  3. Step 3: Cross multiply
    20,633,935.75x = 28,444,820.41 × 14,419,689.46
  4. Step 4: Simplify right side
    20,633,935.75x = 410,165,476,985,571.50
  5. Step 5: Solve for x
    x = 410,165,476,985,571.50/20,633,935.75
  6. Step 6: Final answer
    x = 19,878,198.81

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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.