Home / 21,135,232.23-31,657,297.38-14,274,076.65

Finding the Fourth Proportional to 21,135,232.23, 31,657,297.38 and 14,274,076.65

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Solution

The fourth proportional to 21,135,232.23, 31,657,297.38 and 14,274,076.65 is: 21,380,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,135,232.23 : 31,657,297.38 = 14,274,076.65 : x
  2. Step 2: Convert to fraction form
    21,135,232.23/31,657,297.38 = 14,274,076.65/x
  3. Step 3: Cross multiply
    21,135,232.23x = 31,657,297.38 × 14,274,076.65
  4. Step 4: Simplify right side
    21,135,232.23x = 451,878,689,333,964.19
  5. Step 5: Solve for x
    x = 451,878,689,333,964.19/21,135,232.23
  6. Step 6: Final answer
    x = 21,380,351.27

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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.