Home / 7,821,705.80-11,732,558.70-6,876,144.20

Finding the Fourth Proportional to 7,821,705.80, 11,732,558.70 and 6,876,144.20

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Solution

The fourth proportional to 7,821,705.80, 11,732,558.70 and 6,876,144.20 is: 10,314,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821,705.80 : 11,732,558.70 = 6,876,144.20 : x
  2. Step 2: Convert to fraction form
    7,821,705.80/11,732,558.70 = 6,876,144.20/x
  3. Step 3: Cross multiply
    7,821,705.80x = 11,732,558.70 × 6,876,144.20
  4. Step 4: Simplify right side
    7,821,705.80x = 80,674,765,456,164.53
  5. Step 5: Solve for x
    x = 80,674,765,456,164.53/7,821,705.80
  6. Step 6: Final answer
    x = 10,314,216.30

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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.