Home / 12,294,135.60-18,441,203.40-11,664,279.60

Finding the Fourth Proportional to 12,294,135.60, 18,441,203.40 and 11,664,279.60

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Solution

The fourth proportional to 12,294,135.60, 18,441,203.40 and 11,664,279.60 is: 17,496,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294,135.60 : 18,441,203.40 = 11,664,279.60 : x
  2. Step 2: Convert to fraction form
    12,294,135.60/18,441,203.40 = 11,664,279.60/x
  3. Step 3: Cross multiply
    12,294,135.60x = 18,441,203.40 × 11,664,279.60
  4. Step 4: Simplify right side
    12,294,135.60x = 215,103,352,618,070.62
  5. Step 5: Solve for x
    x = 215,103,352,618,070.62/12,294,135.60
  6. Step 6: Final answer
    x = 17,496,419.40

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Similar ratio
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1.5x scale

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.