Home / 33,890,692.86-46,769,633.01-18,420,778.26

Finding the Fourth Proportional to 33,890,692.86, 46,769,633.01 and 18,420,778.26

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Solution

The fourth proportional to 33,890,692.86, 46,769,633.01 and 18,420,778.26 is: 25,420,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,890,692.86 : 46,769,633.01 = 18,420,778.26 : x
  2. Step 2: Convert to fraction form
    33,890,692.86/46,769,633.01 = 18,420,778.26/x
  3. Step 3: Cross multiply
    33,890,692.86x = 46,769,633.01 × 18,420,778.26
  4. Step 4: Simplify right side
    33,890,692.86x = 861,533,038,978,786.38
  5. Step 5: Solve for x
    x = 861,533,038,978,786.38/33,890,692.86
  6. Step 6: Final answer
    x = 25,420,933.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.