Home / 13,419,609.40-20,129,414.10-3,322,230.40

Finding the Fourth Proportional to 13,419,609.40, 20,129,414.10 and 3,322,230.40

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Solution

The fourth proportional to 13,419,609.40, 20,129,414.10 and 3,322,230.40 is: 4,983,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,419,609.40 : 20,129,414.10 = 3,322,230.40 : x
  2. Step 2: Convert to fraction form
    13,419,609.40/20,129,414.10 = 3,322,230.40/x
  3. Step 3: Cross multiply
    13,419,609.40x = 20,129,414.10 × 3,322,230.40
  4. Step 4: Simplify right side
    13,419,609.40x = 66,874,551,457,208.64
  5. Step 5: Solve for x
    x = 66,874,551,457,208.64/13,419,609.40
  6. Step 6: Final answer
    x = 4,983,345.60

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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.