Home / 18,719,111.36-25,832,544.60-10,984,282.56

Finding the Fourth Proportional to 18,719,111.36, 25,832,544.60 and 10,984,282.56

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Solution

The fourth proportional to 18,719,111.36, 25,832,544.60 and 10,984,282.56 is: 15,158,410.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719,111.36 : 25,832,544.60 = 10,984,282.56 : x
  2. Step 2: Convert to fraction form
    18,719,111.36/25,832,544.60 = 10,984,282.56/x
  3. Step 3: Cross multiply
    18,719,111.36x = 25,832,544.60 × 10,984,282.56
  4. Step 4: Simplify right side
    18,719,111.36x = 283,751,969,130,202.19
  5. Step 5: Solve for x
    x = 283,751,969,130,202.19/18,719,111.36
  6. Step 6: Final answer
    x = 15,158,410.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.