Home / 40,511,979.48-55,906,527.30-21,927,116.22

Finding the Fourth Proportional to 40,511,979.48, 55,906,527.30 and 21,927,116.22

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Solution

The fourth proportional to 40,511,979.48, 55,906,527.30 and 21,927,116.22 is: 30,259,418.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,511,979.48 : 55,906,527.30 = 21,927,116.22 : x
  2. Step 2: Convert to fraction form
    40,511,979.48/55,906,527.30 = 21,927,116.22/x
  3. Step 3: Cross multiply
    40,511,979.48x = 55,906,527.30 × 21,927,116.22
  4. Step 4: Simplify right side
    40,511,979.48x = 1,225,868,921,563,702.75
  5. Step 5: Solve for x
    x = 1,225,868,921,563,702.75/40,511,979.48
  6. Step 6: Final answer
    x = 30,259,418.01

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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.