Home / 15,644,692.80-21,589,290.72-8,675,331.84

Finding the Fourth Proportional to 15,644,692.80, 21,589,290.72 and 8,675,331.84

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Solution

The fourth proportional to 15,644,692.80, 21,589,290.72 and 8,675,331.84 is: 11,971,744.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644,692.80 : 21,589,290.72 = 8,675,331.84 : x
  2. Step 2: Convert to fraction form
    15,644,692.80/21,589,290.72 = 8,675,331.84/x
  3. Step 3: Cross multiply
    15,644,692.80x = 21,589,290.72 × 8,675,331.84
  4. Step 4: Simplify right side
    15,644,692.80x = 187,294,261,186,232.50
  5. Step 5: Solve for x
    x = 187,294,261,186,232.50/15,644,692.80
  6. Step 6: Final answer
    x = 11,971,744.26

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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.