Home / 9,981,425.92-13,774,137.60-5,907,112.96

Finding the Fourth Proportional to 9,981,425.92, 13,774,137.60 and 5,907,112.96

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Solution

The fourth proportional to 9,981,425.92, 13,774,137.60 and 5,907,112.96 is: 8,151,679.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981,425.92 : 13,774,137.60 = 5,907,112.96 : x
  2. Step 2: Convert to fraction form
    9,981,425.92/13,774,137.60 = 5,907,112.96/x
  3. Step 3: Cross multiply
    9,981,425.92x = 13,774,137.60 × 5,907,112.96
  4. Step 4: Simplify right side
    9,981,425.92x = 81,365,386,729,783.30
  5. Step 5: Solve for x
    x = 81,365,386,729,783.30/9,981,425.92
  6. Step 6: Final answer
    x = 8,151,679.67

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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.