Home / 40,511,987.46-55,906,538.38-21,927,124.51

Finding the Fourth Proportional to 40,511,987.46, 55,906,538.38 and 21,927,124.51

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Solution

The fourth proportional to 40,511,987.46, 55,906,538.38 and 21,927,124.51 is: 30,259,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,511,987.46 : 55,906,538.38 = 21,927,124.51 : x
  2. Step 2: Convert to fraction form
    40,511,987.46/55,906,538.38 = 21,927,124.51/x
  3. Step 3: Cross multiply
    40,511,987.46x = 55,906,538.38 × 21,927,124.51
  4. Step 4: Simplify right side
    40,511,987.46x = 1,225,869,627,786,769.50
  5. Step 5: Solve for x
    x = 1,225,869,627,786,769.50/40,511,987.46
  6. Step 6: Final answer
    x = 30,259,429.48

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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.