Home / 12,259,692.40-18,389,538.60-10,346,504.80

Finding the Fourth Proportional to 12,259,692.40, 18,389,538.60 and 10,346,504.80

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Solution

The fourth proportional to 12,259,692.40, 18,389,538.60 and 10,346,504.80 is: 15,519,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259,692.40 : 18,389,538.60 = 10,346,504.80 : x
  2. Step 2: Convert to fraction form
    12,259,692.40/18,389,538.60 = 10,346,504.80/x
  3. Step 3: Cross multiply
    12,259,692.40x = 18,389,538.60 × 10,346,504.80
  4. Step 4: Simplify right side
    12,259,692.40x = 190,267,449,394,685.31
  5. Step 5: Solve for x
    x = 190,267,449,394,685.31/12,259,692.40
  6. Step 6: Final answer
    x = 15,519,757.20

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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.