Home / 13,215,020.20-19,822,530.30-9,183,941.80

Finding the Fourth Proportional to 13,215,020.20, 19,822,530.30 and 9,183,941.80

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Solution

The fourth proportional to 13,215,020.20, 19,822,530.30 and 9,183,941.80 is: 13,775,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215,020.20 : 19,822,530.30 = 9,183,941.80 : x
  2. Step 2: Convert to fraction form
    13,215,020.20/19,822,530.30 = 9,183,941.80/x
  3. Step 3: Cross multiply
    13,215,020.20x = 19,822,530.30 × 9,183,941.80
  4. Step 4: Simplify right side
    13,215,020.20x = 182,048,964,603,936.56
  5. Step 5: Solve for x
    x = 182,048,964,603,936.56/13,215,020.20
  6. Step 6: Final answer
    x = 13,775,912.70

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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.