Home / 40,511,881.35-55,906,392.24-21,927,018.47

Finding the Fourth Proportional to 40,511,881.35, 55,906,392.24 and 21,927,018.47

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Solution

The fourth proportional to 40,511,881.35, 55,906,392.24 and 21,927,018.47 is: 30,259,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,511,881.35 : 55,906,392.24 = 21,927,018.47 : x
  2. Step 2: Convert to fraction form
    40,511,881.35/55,906,392.24 = 21,927,018.47/x
  3. Step 3: Cross multiply
    40,511,881.35x = 55,906,392.24 × 21,927,018.47
  4. Step 4: Simplify right side
    40,511,881.35x = 1,225,860,494,958,012.75
  5. Step 5: Solve for x
    x = 1,225,860,494,958,012.75/40,511,881.35
  6. Step 6: Final answer
    x = 30,259,283.30

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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.