Home / 12,450,999.19-18,680,108.51-5,163,105.73

Finding the Fourth Proportional to 12,450,999.19, 18,680,108.51 and 5,163,105.73

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Solution

The fourth proportional to 12,450,999.19, 18,680,108.51 and 5,163,105.73 is: 7,746,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450,999.19 : 18,680,108.51 = 5,163,105.73 : x
  2. Step 2: Convert to fraction form
    12,450,999.19/18,680,108.51 = 5,163,105.73/x
  3. Step 3: Cross multiply
    12,450,999.19x = 18,680,108.51 × 5,163,105.73
  4. Step 4: Simplify right side
    12,450,999.19x = 96,447,375,259,187.23
  5. Step 5: Solve for x
    x = 96,447,375,259,187.23/12,450,999.19
  6. Step 6: Final answer
    x = 7,746,155.45

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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.