Home / 10,640,390.89-15,962,828.34-3,451,364.30

Finding the Fourth Proportional to 10,640,390.89, 15,962,828.34 and 3,451,364.30

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Solution

The fourth proportional to 10,640,390.89, 15,962,828.34 and 3,451,364.30 is: 5,177,773.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640,390.89 : 15,962,828.34 = 3,451,364.30 : x
  2. Step 2: Convert to fraction form
    10,640,390.89/15,962,828.34 = 3,451,364.30/x
  3. Step 3: Cross multiply
    10,640,390.89x = 15,962,828.34 × 3,451,364.30
  4. Step 4: Simplify right side
    10,640,390.89x = 55,093,535,859,704.26
  5. Step 5: Solve for x
    x = 55,093,535,859,704.26/10,640,390.89
  6. Step 6: Final answer
    x = 5,177,773.68

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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.