Home / 19,591,949.15-27,036,208.86-12,622,920.46

Finding the Fourth Proportional to 19,591,949.15, 27,036,208.86 and 12,622,920.46

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Solution

The fourth proportional to 19,591,949.15, 27,036,208.86 and 12,622,920.46 is: 17,419,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591,949.15 : 27,036,208.86 = 12,622,920.46 : x
  2. Step 2: Convert to fraction form
    19,591,949.15/27,036,208.86 = 12,622,920.46/x
  3. Step 3: Cross multiply
    19,591,949.15x = 27,036,208.86 × 12,622,920.46
  4. Step 4: Simplify right side
    19,591,949.15x = 341,275,913,864,800.75
  5. Step 5: Solve for x
    x = 341,275,913,864,800.75/19,591,949.15
  6. Step 6: Final answer
    x = 17,419,191.49

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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.