Home / 15,843,782.25-21,864,956.94-8,874,758.52

Finding the Fourth Proportional to 15,843,782.25, 21,864,956.94 and 8,874,758.52

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Solution

The fourth proportional to 15,843,782.25, 21,864,956.94 and 8,874,758.52 is: 12,247,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,843,782.25 : 21,864,956.94 = 8,874,758.52 : x
  2. Step 2: Convert to fraction form
    15,843,782.25/21,864,956.94 = 8,874,758.52/x
  3. Step 3: Cross multiply
    15,843,782.25x = 21,864,956.94 × 8,874,758.52
  4. Step 4: Simplify right side
    15,843,782.25x = 194,046,212,892,698.12
  5. Step 5: Solve for x
    x = 194,046,212,892,698.12/15,843,782.25
  6. Step 6: Final answer
    x = 12,247,467.80

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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.