Home / 12,885,894.50-19,328,958.39-3,910,446.50

Finding the Fourth Proportional to 12,885,894.50, 19,328,958.39 and 3,910,446.50

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Solution

The fourth proportional to 12,885,894.50, 19,328,958.39 and 3,910,446.50 is: 5,865,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885,894.50 : 19,328,958.39 = 3,910,446.50 : x
  2. Step 2: Convert to fraction form
    12,885,894.50/19,328,958.39 = 3,910,446.50/x
  3. Step 3: Cross multiply
    12,885,894.50x = 19,328,958.39 × 3,910,446.50
  4. Step 4: Simplify right side
    12,885,894.50x = 75,584,857,684,821.14
  5. Step 5: Solve for x
    x = 75,584,857,684,821.14/12,885,894.50
  6. Step 6: Final answer
    x = 5,865,705.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.