Home / 38,393,274.98-52,982,906.82-20,989,621.10

Finding the Fourth Proportional to 38,393,274.98, 52,982,906.82 and 20,989,621.10

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Solution

The fourth proportional to 38,393,274.98, 52,982,906.82 and 20,989,621.10 is: 28,965,779.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,393,274.98 : 52,982,906.82 = 20,989,621.10 : x
  2. Step 2: Convert to fraction form
    38,393,274.98/52,982,906.82 = 20,989,621.10/x
  3. Step 3: Cross multiply
    38,393,274.98x = 52,982,906.82 × 20,989,621.10
  4. Step 4: Simplify right side
    38,393,274.98x = 1,112,091,138,928,406
  5. Step 5: Solve for x
    x = 1,112,091,138,928,406/38,393,274.98
  6. Step 6: Final answer
    x = 28,965,779.54

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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.