Home / 12,450,999.44-18,680,108.88-5,163,105.98

Finding the Fourth Proportional to 12,450,999.44, 18,680,108.88 and 5,163,105.98

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Solution

The fourth proportional to 12,450,999.44, 18,680,108.88 and 5,163,105.98 is: 7,746,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450,999.44 : 18,680,108.88 = 5,163,105.98 : x
  2. Step 2: Convert to fraction form
    12,450,999.44/18,680,108.88 = 5,163,105.98/x
  3. Step 3: Cross multiply
    12,450,999.44x = 18,680,108.88 × 5,163,105.98
  4. Step 4: Simplify right side
    12,450,999.44x = 96,447,381,865,379.11
  5. Step 5: Solve for x
    x = 96,447,381,865,379.11/12,450,999.44
  6. Step 6: Final answer
    x = 7,746,155.83

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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.