Home / 11,801,690.84-16,282,013.10-7,152,121.76

Finding the Fourth Proportional to 11,801,690.84, 16,282,013.10 and 7,152,121.76

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Solution

The fourth proportional to 11,801,690.84, 16,282,013.10 and 7,152,121.76 is: 9,867,309.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801,690.84 : 16,282,013.10 = 7,152,121.76 : x
  2. Step 2: Convert to fraction form
    11,801,690.84/16,282,013.10 = 7,152,121.76/x
  3. Step 3: Cross multiply
    11,801,690.84x = 16,282,013.10 × 7,152,121.76
  4. Step 4: Simplify right side
    11,801,690.84x = 116,450,940,189,115.05
  5. Step 5: Solve for x
    x = 116,450,940,189,115.05/11,801,690.84
  6. Step 6: Final answer
    x = 9,867,309.84

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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.