Home / 12,629,408.42-17,428,587.10-6,971,505.03

Finding the Fourth Proportional to 12,629,408.42, 17,428,587.10 and 6,971,505.03

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Solution

The fourth proportional to 12,629,408.42, 17,428,587.10 and 6,971,505.03 is: 9,620,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629,408.42 : 17,428,587.10 = 6,971,505.03 : x
  2. Step 2: Convert to fraction form
    12,629,408.42/17,428,587.10 = 6,971,505.03/x
  3. Step 3: Cross multiply
    12,629,408.42x = 17,428,587.10 × 6,971,505.03
  4. Step 4: Simplify right side
    12,629,408.42x = 121,503,482,648,692.95
  5. Step 5: Solve for x
    x = 121,503,482,648,692.95/12,629,408.42
  6. Step 6: Final answer
    x = 9,620,678.86

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