Home / 12,436,826.28-18,655,906.86-3,917,829.48

Finding the Fourth Proportional to 12,436,826.28, 18,655,906.86 and 3,917,829.48

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Solution

The fourth proportional to 12,436,826.28, 18,655,906.86 and 3,917,829.48 is: 5,876,954.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,826.28 : 18,655,906.86 = 3,917,829.48 : x
  2. Step 2: Convert to fraction form
    12,436,826.28/18,655,906.86 = 3,917,829.48/x
  3. Step 3: Cross multiply
    12,436,826.28x = 18,655,906.86 × 3,917,829.48
  4. Step 4: Simplify right side
    12,436,826.28x = 73,090,661,872,242.23
  5. Step 5: Solve for x
    x = 73,090,661,872,242.23/12,436,826.28
  6. Step 6: Final answer
    x = 5,876,954.48

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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.