Home / 12,297,241.80-16,969,759.20-6,790,521.60

Finding the Fourth Proportional to 12,297,241.80, 16,969,759.20 and 6,790,521.60

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Solution

The fourth proportional to 12,297,241.80, 16,969,759.20 and 6,790,521.60 is: 9,370,679.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,297,241.80 : 16,969,759.20 = 6,790,521.60 : x
  2. Step 2: Convert to fraction form
    12,297,241.80/16,969,759.20 = 6,790,521.60/x
  3. Step 3: Cross multiply
    12,297,241.80x = 16,969,759.20 × 6,790,521.60
  4. Step 4: Simplify right side
    12,297,241.80x = 115,233,516,394,398.70
  5. Step 5: Solve for x
    x = 115,233,516,394,398.70/12,297,241.80
  6. Step 6: Final answer
    x = 9,370,679.89

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1.5x scale

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.