Home / 11,809,320.60-17,713,980.90-3,831,144.60

Finding the Fourth Proportional to 11,809,320.60, 17,713,980.90 and 3,831,144.60

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Solution

The fourth proportional to 11,809,320.60, 17,713,980.90 and 3,831,144.60 is: 5,746,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809,320.60 : 17,713,980.90 = 3,831,144.60 : x
  2. Step 2: Convert to fraction form
    11,809,320.60/17,713,980.90 = 3,831,144.60/x
  3. Step 3: Cross multiply
    11,809,320.60x = 17,713,980.90 × 3,831,144.60
  4. Step 4: Simplify right side
    11,809,320.60x = 67,864,822,269,538.13
  5. Step 5: Solve for x
    x = 67,864,822,269,538.13/11,809,320.60
  6. Step 6: Final answer
    x = 5,746,716.90

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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.