Home / 26,246,629.80-39,369,944.70-20,825,931.60

Finding the Fourth Proportional to 26,246,629.80, 39,369,944.70 and 20,825,931.60

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Solution

The fourth proportional to 26,246,629.80, 39,369,944.70 and 20,825,931.60 is: 31,238,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,246,629.80 : 39,369,944.70 = 20,825,931.60 : x
  2. Step 2: Convert to fraction form
    26,246,629.80/39,369,944.70 = 20,825,931.60/x
  3. Step 3: Cross multiply
    26,246,629.80x = 39,369,944.70 × 20,825,931.60
  4. Step 4: Simplify right side
    26,246,629.80x = 819,915,775,417,982.62
  5. Step 5: Solve for x
    x = 819,915,775,417,982.62/26,246,629.80
  6. Step 6: Final answer
    x = 31,238,897.40

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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.