Home / 55,638,397.44-83,398,692.66-18,715,137.33

Finding the Fourth Proportional to 55,638,397.44, 83,398,692.66 and 18,715,137.33

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Solution

The fourth proportional to 55,638,397.44, 83,398,692.66 and 18,715,137.33 is: 28,052,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,638,397.44 : 83,398,692.66 = 18,715,137.33 : x
  2. Step 2: Convert to fraction form
    55,638,397.44/83,398,692.66 = 18,715,137.33/x
  3. Step 3: Cross multiply
    55,638,397.44x = 83,398,692.66 × 18,715,137.33
  4. Step 4: Simplify right side
    55,638,397.44x = 1,560,817,986,274,362.75
  5. Step 5: Solve for x
    x = 1,560,817,986,274,362.75/55,638,397.44
  6. Step 6: Final answer
    x = 28,052,892.57

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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.