Home / 8,159,705.20-12,239,557.80-6,741,362.80

Finding the Fourth Proportional to 8,159,705.20, 12,239,557.80 and 6,741,362.80

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Solution

The fourth proportional to 8,159,705.20, 12,239,557.80 and 6,741,362.80 is: 10,112,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159,705.20 : 12,239,557.80 = 6,741,362.80 : x
  2. Step 2: Convert to fraction form
    8,159,705.20/12,239,557.80 = 6,741,362.80/x
  3. Step 3: Cross multiply
    8,159,705.20x = 12,239,557.80 × 6,741,362.80
  4. Step 4: Simplify right side
    8,159,705.20x = 82,511,299,641,369.84
  5. Step 5: Solve for x
    x = 82,511,299,641,369.84/8,159,705.20
  6. Step 6: Final answer
    x = 10,112,044.20

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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.