Home / 40,511,915.18-55,906,438.92-21,927,052.34

Finding the Fourth Proportional to 40,511,915.18, 55,906,438.92 and 21,927,052.34

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Solution

The fourth proportional to 40,511,915.18, 55,906,438.92 and 21,927,052.34 is: 30,259,330.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,511,915.18 : 55,906,438.92 = 21,927,052.34 : x
  2. Step 2: Convert to fraction form
    40,511,915.18/55,906,438.92 = 21,927,052.34/x
  3. Step 3: Cross multiply
    40,511,915.18x = 55,906,438.92 × 21,927,052.34
  4. Step 4: Simplify right side
    40,511,915.18x = 1,225,863,412,341,853
  5. Step 5: Solve for x
    x = 1,225,863,412,341,853/40,511,915.18
  6. Step 6: Final answer
    x = 30,259,330.05

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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.