Home / 19,368,097.20-29,052,145.80-11,809,825.20

Finding the Fourth Proportional to 19,368,097.20, 29,052,145.80 and 11,809,825.20

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Solution

The fourth proportional to 19,368,097.20, 29,052,145.80 and 11,809,825.20 is: 17,714,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368,097.20 : 29,052,145.80 = 11,809,825.20 : x
  2. Step 2: Convert to fraction form
    19,368,097.20/29,052,145.80 = 11,809,825.20/x
  3. Step 3: Cross multiply
    19,368,097.20x = 29,052,145.80 × 11,809,825.20
  4. Step 4: Simplify right side
    19,368,097.20x = 343,100,763,582,914.12
  5. Step 5: Solve for x
    x = 343,100,763,582,914.12/19,368,097.20
  6. Step 6: Final answer
    x = 17,714,737.80

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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.