Home / 20,608,239.49-30,912,465.83-12,082,597.26

Finding the Fourth Proportional to 20,608,239.49, 30,912,465.83 and 12,082,597.26

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Solution

The fourth proportional to 20,608,239.49, 30,912,465.83 and 12,082,597.26 is: 18,123,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608,239.49 : 30,912,465.83 = 12,082,597.26 : x
  2. Step 2: Convert to fraction form
    20,608,239.49/30,912,465.83 = 12,082,597.26/x
  3. Step 3: Cross multiply
    20,608,239.49x = 30,912,465.83 × 12,082,597.26
  4. Step 4: Simplify right side
    20,608,239.49x = 373,502,874,937,401.62
  5. Step 5: Solve for x
    x = 373,502,874,937,401.62/20,608,239.49
  6. Step 6: Final answer
    x = 18,123,958.39

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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.