Home / 21,821,298.64-32,694,907.78-13,167,215.60

Finding the Fourth Proportional to 21,821,298.64, 32,694,907.78 and 13,167,215.60

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Solution

The fourth proportional to 21,821,298.64, 32,694,907.78 and 13,167,215.60 is: 19,728,472.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,821,298.64 : 32,694,907.78 = 13,167,215.60 : x
  2. Step 2: Convert to fraction form
    21,821,298.64/32,694,907.78 = 13,167,215.60/x
  3. Step 3: Cross multiply
    21,821,298.64x = 32,694,907.78 × 13,167,215.60
  4. Step 4: Simplify right side
    21,821,298.64x = 430,500,899,597,902.88
  5. Step 5: Solve for x
    x = 430,500,899,597,902.88/21,821,298.64
  6. Step 6: Final answer
    x = 19,728,472.94

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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.