Home / 40,511,723.12-55,906,173.64-21,926,860

Finding the Fourth Proportional to 40,511,723.12, 55,906,173.64 and 21,926,860

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Solution

The fourth proportional to 40,511,723.12, 55,906,173.64 and 21,926,860 is: 30,259,064.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,511,723.12 : 55,906,173.64 = 21,926,860 : x
  2. Step 2: Convert to fraction form
    40,511,723.12/55,906,173.64 = 21,926,860/x
  3. Step 3: Cross multiply
    40,511,723.12x = 55,906,173.64 × 21,926,860
  4. Step 4: Simplify right side
    40,511,723.12x = 1,225,846,842,539,970.50
  5. Step 5: Solve for x
    x = 1,225,846,842,539,970.50/40,511,723.12
  6. Step 6: Final answer
    x = 30,259,064.49

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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.