Home / 21,873,431.73-32,802,549.12-12,172,848.24

Finding the Fourth Proportional to 21,873,431.73, 32,802,549.12 and 12,172,848.24

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Solution

The fourth proportional to 21,873,431.73, 32,802,549.12 and 12,172,848.24 is: 18,255,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873,431.73 : 32,802,549.12 = 12,172,848.24 : x
  2. Step 2: Convert to fraction form
    21,873,431.73/32,802,549.12 = 12,172,848.24/x
  3. Step 3: Cross multiply
    21,873,431.73x = 32,802,549.12 × 12,172,848.24
  4. Step 4: Simplify right side
    21,873,431.73x = 399,300,452,322,905.56
  5. Step 5: Solve for x
    x = 399,300,452,322,905.56/21,873,431.73
  6. Step 6: Final answer
    x = 18,255,043.71

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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.