Home / 13,669,920.06-18,855,601.63-8,767,376.83

Finding the Fourth Proportional to 13,669,920.06, 18,855,601.63 and 8,767,376.83

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Solution

The fourth proportional to 13,669,920.06, 18,855,601.63 and 8,767,376.83 is: 12,093,279.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669,920.06 : 18,855,601.63 = 8,767,376.83 : x
  2. Step 2: Convert to fraction form
    13,669,920.06/18,855,601.63 = 8,767,376.83/x
  3. Step 3: Cross multiply
    13,669,920.06x = 18,855,601.63 × 8,767,376.83
  4. Step 4: Simplify right side
    13,669,920.06x = 165,314,164,846,572.22
  5. Step 5: Solve for x
    x = 165,314,164,846,572.22/13,669,920.06
  6. Step 6: Final answer
    x = 12,093,279.56

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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.