Home / 12,863,890.94-17,752,204.22-7,063,048.40

Finding the Fourth Proportional to 12,863,890.94, 17,752,204.22 and 7,063,048.40

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Solution

The fourth proportional to 12,863,890.94, 17,752,204.22 and 7,063,048.40 is: 9,747,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,863,890.94 : 17,752,204.22 = 7,063,048.40 : x
  2. Step 2: Convert to fraction form
    12,863,890.94/17,752,204.22 = 7,063,048.40/x
  3. Step 3: Cross multiply
    12,863,890.94x = 17,752,204.22 × 7,063,048.40
  4. Step 4: Simplify right side
    12,863,890.94x = 125,384,677,488,467.97
  5. Step 5: Solve for x
    x = 125,384,677,488,467.97/12,863,890.94
  6. Step 6: Final answer
    x = 9,747,025.85

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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.