Home / 11,419,709.76-17,124,140.88-6,628,867.56

Finding the Fourth Proportional to 11,419,709.76, 17,124,140.88 and 6,628,867.56

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Solution

The fourth proportional to 11,419,709.76, 17,124,140.88 and 6,628,867.56 is: 9,940,152.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419,709.76 : 17,124,140.88 = 6,628,867.56 : x
  2. Step 2: Convert to fraction form
    11,419,709.76/17,124,140.88 = 6,628,867.56/x
  3. Step 3: Cross multiply
    11,419,709.76x = 17,124,140.88 × 6,628,867.56
  4. Step 4: Simplify right side
    11,419,709.76x = 113,513,661,972,301.84
  5. Step 5: Solve for x
    x = 113,513,661,972,301.84/11,419,709.76
  6. Step 6: Final answer
    x = 9,940,152.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.