Home / 12,038,121.66-18,053,389.44-3,949,212.18

Finding the Fourth Proportional to 12,038,121.66, 18,053,389.44 and 3,949,212.18

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Solution

The fourth proportional to 12,038,121.66, 18,053,389.44 and 3,949,212.18 is: 5,922,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038,121.66 : 18,053,389.44 = 3,949,212.18 : x
  2. Step 2: Convert to fraction form
    12,038,121.66/18,053,389.44 = 3,949,212.18/x
  3. Step 3: Cross multiply
    12,038,121.66x = 18,053,389.44 × 3,949,212.18
  4. Step 4: Simplify right side
    12,038,121.66x = 71,296,665,466,731.39
  5. Step 5: Solve for x
    x = 71,296,665,466,731.39/12,038,121.66
  6. Step 6: Final answer
    x = 5,922,573.93

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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.