Home / 15,239,257.37-21,030,188.72-8,269,934.85

Finding the Fourth Proportional to 15,239,257.37, 21,030,188.72 and 8,269,934.85

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Solution

The fourth proportional to 15,239,257.37, 21,030,188.72 and 8,269,934.85 is: 11,412,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239,257.37 : 21,030,188.72 = 8,269,934.85 : x
  2. Step 2: Convert to fraction form
    15,239,257.37/21,030,188.72 = 8,269,934.85/x
  3. Step 3: Cross multiply
    15,239,257.37x = 21,030,188.72 × 8,269,934.85
  4. Step 4: Simplify right side
    15,239,257.37x = 173,918,290,597,604.88
  5. Step 5: Solve for x
    x = 173,918,290,597,604.88/15,239,257.37
  6. Step 6: Final answer
    x = 11,412,517.45

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1.5x scale

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.