Home / 8,697,821.09-12,008,997.99-5,436,101.96

Finding the Fourth Proportional to 8,697,821.09, 12,008,997.99 and 5,436,101.96

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Solution

The fourth proportional to 8,697,821.09, 12,008,997.99 and 5,436,101.96 is: 7,505,573.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697,821.09 : 12,008,997.99 = 5,436,101.96 : x
  2. Step 2: Convert to fraction form
    8,697,821.09/12,008,997.99 = 5,436,101.96/x
  3. Step 3: Cross multiply
    8,697,821.09x = 12,008,997.99 × 5,436,101.96
  4. Step 4: Simplify right side
    8,697,821.09x = 65,282,137,511,075.06
  5. Step 5: Solve for x
    x = 65,282,137,511,075.06/8,697,821.09
  6. Step 6: Final answer
    x = 7,505,573.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.