Home / 51,622,408.87-77,433,268.81-20,916,535.21

Finding the Fourth Proportional to 51,622,408.87, 77,433,268.81 and 20,916,535.21

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Solution

The fourth proportional to 51,622,408.87, 77,433,268.81 and 20,916,535.21 is: 31,374,663.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,622,408.87 : 77,433,268.81 = 20,916,535.21 : x
  2. Step 2: Convert to fraction form
    51,622,408.87/77,433,268.81 = 20,916,535.21/x
  3. Step 3: Cross multiply
    51,622,408.87x = 77,433,268.81 × 20,916,535.21
  4. Step 4: Simplify right side
    51,622,408.87x = 1,619,635,693,489,760
  5. Step 5: Solve for x
    x = 1,619,635,693,489,760/51,622,408.87
  6. Step 6: Final answer
    x = 31,374,663.23

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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.