Home / 15,379,808.58-21,224,504.52-8,764,255.62

Finding the Fourth Proportional to 15,379,808.58, 21,224,504.52 and 8,764,255.62

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Solution

The fourth proportional to 15,379,808.58, 21,224,504.52 and 8,764,255.62 is: 12,094,882.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379,808.58 : 21,224,504.52 = 8,764,255.62 : x
  2. Step 2: Convert to fraction form
    15,379,808.58/21,224,504.52 = 8,764,255.62/x
  3. Step 3: Cross multiply
    15,379,808.58x = 21,224,504.52 × 8,764,255.62
  4. Step 4: Simplify right side
    15,379,808.58x = 186,016,983,021,125.38
  5. Step 5: Solve for x
    x = 186,016,983,021,125.38/15,379,808.58
  6. Step 6: Final answer
    x = 12,094,882.85

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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.