Home / 12,038,030.37-18,053,252.39-3,949,121.09

Finding the Fourth Proportional to 12,038,030.37, 18,053,252.39 and 3,949,121.09

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Solution

The fourth proportional to 12,038,030.37, 18,053,252.39 and 3,949,121.09 is: 5,922,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038,030.37 : 18,053,252.39 = 3,949,121.09 : x
  2. Step 2: Convert to fraction form
    12,038,030.37/18,053,252.39 = 3,949,121.09/x
  3. Step 3: Cross multiply
    12,038,030.37x = 18,053,252.39 × 3,949,121.09
  4. Step 4: Simplify right side
    12,038,030.37x = 71,294,479,760,673.06
  5. Step 5: Solve for x
    x = 71,294,479,760,673.06/12,038,030.37
  6. Step 6: Final answer
    x = 5,922,437.27

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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.