Home / 40,511,886.23-55,906,398.65-21,927,022.97

Finding the Fourth Proportional to 40,511,886.23, 55,906,398.65 and 21,927,022.97

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Solution

The fourth proportional to 40,511,886.23, 55,906,398.65 and 21,927,022.97 is: 30,259,289.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,511,886.23 : 55,906,398.65 = 21,927,022.97 : x
  2. Step 2: Convert to fraction form
    40,511,886.23/55,906,398.65 = 21,927,022.97/x
  3. Step 3: Cross multiply
    40,511,886.23x = 55,906,398.65 × 21,927,022.97
  4. Step 4: Simplify right side
    40,511,886.23x = 1,225,860,886,979,360
  5. Step 5: Solve for x
    x = 1,225,860,886,979,360/40,511,886.23
  6. Step 6: Final answer
    x = 30,259,289.34

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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.