Home / 12,795,719.39-19,193,579.15-4,276,055.86

Finding the Fourth Proportional to 12,795,719.39, 19,193,579.15 and 4,276,055.86

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Solution

The fourth proportional to 12,795,719.39, 19,193,579.15 and 4,276,055.86 is: 6,414,083.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795,719.39 : 19,193,579.15 = 4,276,055.86 : x
  2. Step 2: Convert to fraction form
    12,795,719.39/19,193,579.15 = 4,276,055.86/x
  3. Step 3: Cross multiply
    12,795,719.39x = 19,193,579.15 × 4,276,055.86
  4. Step 4: Simplify right side
    12,795,719.39x = 82,072,816,598,731.31
  5. Step 5: Solve for x
    x = 82,072,816,598,731.31/12,795,719.39
  6. Step 6: Final answer
    x = 6,414,083.81

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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.