Home / 7,111,361.85-10,666,604.70-4,379,429.76

Finding the Fourth Proportional to 7,111,361.85, 10,666,604.70 and 4,379,429.76

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Solution

The fourth proportional to 7,111,361.85, 10,666,604.70 and 4,379,429.76 is: 6,568,874.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,361.85 : 10,666,604.70 = 4,379,429.76 : x
  2. Step 2: Convert to fraction form
    7,111,361.85/10,666,604.70 = 4,379,429.76/x
  3. Step 3: Cross multiply
    7,111,361.85x = 10,666,604.70 × 4,379,429.76
  4. Step 4: Simplify right side
    7,111,361.85x = 46,713,646,061,335.87
  5. Step 5: Solve for x
    x = 46,713,646,061,335.87/7,111,361.85
  6. Step 6: Final answer
    x = 6,568,874.86

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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.