Home / 13,305,912.40-19,958,868.60-4,786,526.80

Finding the Fourth Proportional to 13,305,912.40, 19,958,868.60 and 4,786,526.80

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Solution

The fourth proportional to 13,305,912.40, 19,958,868.60 and 4,786,526.80 is: 7,179,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,912.40 : 19,958,868.60 = 4,786,526.80 : x
  2. Step 2: Convert to fraction form
    13,305,912.40/19,958,868.60 = 4,786,526.80/x
  3. Step 3: Cross multiply
    13,305,912.40x = 19,958,868.60 × 4,786,526.80
  4. Step 4: Simplify right side
    13,305,912.40x = 95,533,659,451,578.48
  5. Step 5: Solve for x
    x = 95,533,659,451,578.48/13,305,912.40
  6. Step 6: Final answer
    x = 7,179,790.20

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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.