Home / 6,629,030.19-9,147,971.37-3,728,419.92

Finding the Fourth Proportional to 6,629,030.19, 9,147,971.37 and 3,728,419.92

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Solution

The fourth proportional to 6,629,030.19, 9,147,971.37 and 3,728,419.92 is: 5,145,168.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629,030.19 : 9,147,971.37 = 3,728,419.92 : x
  2. Step 2: Convert to fraction form
    6,629,030.19/9,147,971.37 = 3,728,419.92/x
  3. Step 3: Cross multiply
    6,629,030.19x = 9,147,971.37 × 3,728,419.92
  4. Step 4: Simplify right side
    6,629,030.19x = 34,107,478,683,497.69
  5. Step 5: Solve for x
    x = 34,107,478,683,497.69/6,629,030.19
  6. Step 6: Final answer
    x = 5,145,168.71

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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.