Home / 22,145,220.80-30,560,362.32-12,355,082.48

Finding the Fourth Proportional to 22,145,220.80, 30,560,362.32 and 12,355,082.48

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Solution

The fourth proportional to 22,145,220.80, 30,560,362.32 and 12,355,082.48 is: 17,049,990.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145,220.80 : 30,560,362.32 = 12,355,082.48 : x
  2. Step 2: Convert to fraction form
    22,145,220.80/30,560,362.32 = 12,355,082.48/x
  3. Step 3: Cross multiply
    22,145,220.80x = 30,560,362.32 × 12,355,082.48
  4. Step 4: Simplify right side
    22,145,220.80x = 377,575,797,082,284.19
  5. Step 5: Solve for x
    x = 377,575,797,082,284.19/22,145,220.80
  6. Step 6: Final answer
    x = 17,049,990.18

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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.