Home / 26,576,593.60-39,840,007.20-20,816,132.80

Finding the Fourth Proportional to 26,576,593.60, 39,840,007.20 and 20,816,132.80

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Solution

The fourth proportional to 26,576,593.60, 39,840,007.20 and 20,816,132.80 is: 31,204,709.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,576,593.60 : 39,840,007.20 = 20,816,132.80 : x
  2. Step 2: Convert to fraction form
    26,576,593.60/39,840,007.20 = 20,816,132.80/x
  3. Step 3: Cross multiply
    26,576,593.60x = 39,840,007.20 × 20,816,132.80
  4. Step 4: Simplify right side
    26,576,593.60x = 829,314,880,628,156.25
  5. Step 5: Solve for x
    x = 829,314,880,628,156.25/26,576,593.60
  6. Step 6: Final answer
    x = 31,204,709.42

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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.