Home / 9,138,976.39-12,611,925.39-5,008,974.54

Finding the Fourth Proportional to 9,138,976.39, 12,611,925.39 and 5,008,974.54

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Solution

The fourth proportional to 9,138,976.39, 12,611,925.39 and 5,008,974.54 is: 6,912,460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138,976.39 : 12,611,925.39 = 5,008,974.54 : x
  2. Step 2: Convert to fraction form
    9,138,976.39/12,611,925.39 = 5,008,974.54/x
  3. Step 3: Cross multiply
    9,138,976.39x = 12,611,925.39 × 5,008,974.54
  4. Step 4: Simplify right side
    9,138,976.39x = 63,172,813,178,889.57
  5. Step 5: Solve for x
    x = 63,172,813,178,889.57/9,138,976.39
  6. Step 6: Final answer
    x = 6,912,460.49

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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.