Home / 12,393,223.11-17,102,306.70-6,886,455.48

Finding the Fourth Proportional to 12,393,223.11, 17,102,306.70 and 6,886,455.48

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Solution

The fourth proportional to 12,393,223.11, 17,102,306.70 and 6,886,455.48 is: 9,503,118.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393,223.11 : 17,102,306.70 = 6,886,455.48 : x
  2. Step 2: Convert to fraction form
    12,393,223.11/17,102,306.70 = 6,886,455.48/x
  3. Step 3: Cross multiply
    12,393,223.11x = 17,102,306.70 × 6,886,455.48
  4. Step 4: Simplify right side
    12,393,223.11x = 117,774,273,694,855.72
  5. Step 5: Solve for x
    x = 117,774,273,694,855.72/12,393,223.11
  6. Step 6: Final answer
    x = 9,503,118.97

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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.