Home / 18,743,311.52-28,082,871.84-10,229,621.84

Finding the Fourth Proportional to 18,743,311.52, 28,082,871.84 and 10,229,621.84

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Solution

The fourth proportional to 18,743,311.52, 28,082,871.84 and 10,229,621.84 is: 15,326,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743,311.52 : 28,082,871.84 = 10,229,621.84 : x
  2. Step 2: Convert to fraction form
    18,743,311.52/28,082,871.84 = 10,229,621.84/x
  3. Step 3: Cross multiply
    18,743,311.52x = 28,082,871.84 × 10,229,621.84
  4. Step 4: Simplify right side
    18,743,311.52x = 287,277,159,104,385
  5. Step 5: Solve for x
    x = 287,277,159,104,385/18,743,311.52
  6. Step 6: Final answer
    x = 15,326,915.89

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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.