Home / 11,873,318.40-17,809,977.60-11,211,969.60

Finding the Fourth Proportional to 11,873,318.40, 17,809,977.60 and 11,211,969.60

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Solution

The fourth proportional to 11,873,318.40, 17,809,977.60 and 11,211,969.60 is: 16,817,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873,318.40 : 17,809,977.60 = 11,211,969.60 : x
  2. Step 2: Convert to fraction form
    11,873,318.40/17,809,977.60 = 11,211,969.60/x
  3. Step 3: Cross multiply
    11,873,318.40x = 17,809,977.60 × 11,211,969.60
  4. Step 4: Simplify right side
    11,873,318.40x = 199,684,927,427,880.97
  5. Step 5: Solve for x
    x = 199,684,927,427,880.97/11,873,318.40
  6. Step 6: Final answer
    x = 16,817,954.40

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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.