Home / 21,961,618.32-30,308,150.20-12,665,732.16

Finding the Fourth Proportional to 21,961,618.32, 30,308,150.20 and 12,665,732.16

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Solution

The fourth proportional to 21,961,618.32, 30,308,150.20 and 12,665,732.16 is: 17,479,354.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,961,618.32 : 30,308,150.20 = 12,665,732.16 : x
  2. Step 2: Convert to fraction form
    21,961,618.32/30,308,150.20 = 12,665,732.16/x
  3. Step 3: Cross multiply
    21,961,618.32x = 30,308,150.20 × 12,665,732.16
  4. Step 4: Simplify right side
    21,961,618.32x = 383,874,912,698,250.44
  5. Step 5: Solve for x
    x = 383,874,912,698,250.44/21,961,618.32
  6. Step 6: Final answer
    x = 17,479,354.53

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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.