Home / 13,083,662.56-18,055,316.40-7,282,351.84

Finding the Fourth Proportional to 13,083,662.56, 18,055,316.40 and 7,282,351.84

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Solution

The fourth proportional to 13,083,662.56, 18,055,316.40 and 7,282,351.84 is: 10,049,568.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083,662.56 : 18,055,316.40 = 7,282,351.84 : x
  2. Step 2: Convert to fraction form
    13,083,662.56/18,055,316.40 = 7,282,351.84/x
  3. Step 3: Cross multiply
    13,083,662.56x = 18,055,316.40 × 7,282,351.84
  4. Step 4: Simplify right side
    13,083,662.56x = 131,485,166,607,322.16
  5. Step 5: Solve for x
    x = 131,485,166,607,322.16/13,083,662.56
  6. Step 6: Final answer
    x = 10,049,568.77

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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.