Home / 31,068,844.28-42,876,456.78-17,317,907.96

Finding the Fourth Proportional to 31,068,844.28, 42,876,456.78 and 17,317,907.96

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Solution

The fourth proportional to 31,068,844.28, 42,876,456.78 and 17,317,907.96 is: 23,899,522.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,068,844.28 : 42,876,456.78 = 17,317,907.96 : x
  2. Step 2: Convert to fraction form
    31,068,844.28/42,876,456.78 = 17,317,907.96/x
  3. Step 3: Cross multiply
    31,068,844.28x = 42,876,456.78 × 17,317,907.96
  4. Step 4: Simplify right side
    31,068,844.28x = 742,530,532,166,958
  5. Step 5: Solve for x
    x = 742,530,532,166,958/31,068,844.28
  6. Step 6: Final answer
    x = 23,899,522.15

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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.