Home / 12,885,674.38-19,328,628.21-3,910,226.38

Finding the Fourth Proportional to 12,885,674.38, 19,328,628.21 and 3,910,226.38

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Solution

The fourth proportional to 12,885,674.38, 19,328,628.21 and 3,910,226.38 is: 5,865,374.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885,674.38 : 19,328,628.21 = 3,910,226.38 : x
  2. Step 2: Convert to fraction form
    12,885,674.38/19,328,628.21 = 3,910,226.38/x
  3. Step 3: Cross multiply
    12,885,674.38x = 19,328,628.21 × 3,910,226.38
  4. Step 4: Simplify right side
    12,885,674.38x = 75,579,311,915,954.19
  5. Step 5: Solve for x
    x = 75,579,311,915,954.19/12,885,674.38
  6. Step 6: Final answer
    x = 5,865,374.97

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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.