Home / 12,156,896.40-18,235,344.60-9,322,544.40

Finding the Fourth Proportional to 12,156,896.40, 18,235,344.60 and 9,322,544.40

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Solution

The fourth proportional to 12,156,896.40, 18,235,344.60 and 9,322,544.40 is: 13,983,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156,896.40 : 18,235,344.60 = 9,322,544.40 : x
  2. Step 2: Convert to fraction form
    12,156,896.40/18,235,344.60 = 9,322,544.40/x
  3. Step 3: Cross multiply
    12,156,896.40x = 18,235,344.60 × 9,322,544.40
  4. Step 4: Simplify right side
    12,156,896.40x = 169,999,809,682,800.25
  5. Step 5: Solve for x
    x = 169,999,809,682,800.25/12,156,896.40
  6. Step 6: Final answer
    x = 13,983,816.60

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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.