Home / 21,055,046.85-31,578,141.60-8,924,906.03

Finding the Fourth Proportional to 21,055,046.85, 31,578,141.60 and 8,924,906.03

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Solution

The fourth proportional to 21,055,046.85, 31,578,141.60 and 8,924,906.03 is: 13,385,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,055,046.85 : 31,578,141.60 = 8,924,906.03 : x
  2. Step 2: Convert to fraction form
    21,055,046.85/31,578,141.60 = 8,924,906.03/x
  3. Step 3: Cross multiply
    21,055,046.85x = 31,578,141.60 × 8,924,906.03
  4. Step 4: Simplify right side
    21,055,046.85x = 281,831,946,224,143.19
  5. Step 5: Solve for x
    x = 281,831,946,224,143.19/21,055,046.85
  6. Step 6: Final answer
    x = 13,385,481.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.