Home / 7,802,803.80-11,704,205.70-6,858,019.80

Finding the Fourth Proportional to 7,802,803.80, 11,704,205.70 and 6,858,019.80

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Solution

The fourth proportional to 7,802,803.80, 11,704,205.70 and 6,858,019.80 is: 10,287,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802,803.80 : 11,704,205.70 = 6,858,019.80 : x
  2. Step 2: Convert to fraction form
    7,802,803.80/11,704,205.70 = 6,858,019.80/x
  3. Step 3: Cross multiply
    7,802,803.80x = 11,704,205.70 × 6,858,019.80
  4. Step 4: Simplify right side
    7,802,803.80x = 80,267,674,433,872.86
  5. Step 5: Solve for x
    x = 80,267,674,433,872.86/7,802,803.80
  6. Step 6: Final answer
    x = 10,287,029.70

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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.