Home / 13,252,912.70-19,879,369.05-9,221,834.30

Finding the Fourth Proportional to 13,252,912.70, 19,879,369.05 and 9,221,834.30

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Solution

The fourth proportional to 13,252,912.70, 19,879,369.05 and 9,221,834.30 is: 13,832,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252,912.70 : 19,879,369.05 = 9,221,834.30 : x
  2. Step 2: Convert to fraction form
    13,252,912.70/19,879,369.05 = 9,221,834.30/x
  3. Step 3: Cross multiply
    13,252,912.70x = 19,879,369.05 × 9,221,834.30
  4. Step 4: Simplify right side
    13,252,912.70x = 183,324,247,367,648.44
  5. Step 5: Solve for x
    x = 183,324,247,367,648.44/13,252,912.70
  6. Step 6: Final answer
    x = 13,832,751.45

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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.