Home / 12,450,998.94-18,680,108.13-5,163,105.48

Finding the Fourth Proportional to 12,450,998.94, 18,680,108.13 and 5,163,105.48

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Solution

The fourth proportional to 12,450,998.94, 18,680,108.13 and 5,163,105.48 is: 7,746,155.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450,998.94 : 18,680,108.13 = 5,163,105.48 : x
  2. Step 2: Convert to fraction form
    12,450,998.94/18,680,108.13 = 5,163,105.48/x
  3. Step 3: Cross multiply
    12,450,998.94x = 18,680,108.13 × 5,163,105.48
  4. Step 4: Simplify right side
    12,450,998.94x = 96,447,368,652,995.56
  5. Step 5: Solve for x
    x = 96,447,368,652,995.56/12,450,998.94
  6. Step 6: Final answer
    x = 7,746,155.08

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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.