Home / 18,173,046.54-25,078,964.45-9,913,145.54

Finding the Fourth Proportional to 18,173,046.54, 25,078,964.45 and 9,913,145.54

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Solution

The fourth proportional to 18,173,046.54, 25,078,964.45 and 9,913,145.54 is: 13,680,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,046.54 : 25,078,964.45 = 9,913,145.54 : x
  2. Step 2: Convert to fraction form
    18,173,046.54/25,078,964.45 = 9,913,145.54/x
  3. Step 3: Cross multiply
    18,173,046.54x = 25,078,964.45 × 9,913,145.54
  4. Step 4: Simplify right side
    18,173,046.54x = 248,611,424,410,375.50
  5. Step 5: Solve for x
    x = 248,611,424,410,375.50/18,173,046.54
  6. Step 6: Final answer
    x = 13,680,228.23

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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.