Home / 8,202,333.20-11,237,009.86-7,895,656.40

Finding the Fourth Proportional to 8,202,333.20, 11,237,009.86 and 7,895,656.40

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Solution

The fourth proportional to 8,202,333.20, 11,237,009.86 and 7,895,656.40 is: 10,816,869.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202,333.20 : 11,237,009.86 = 7,895,656.40 : x
  2. Step 2: Convert to fraction form
    8,202,333.20/11,237,009.86 = 7,895,656.40/x
  3. Step 3: Cross multiply
    8,202,333.20x = 11,237,009.86 × 7,895,656.40
  4. Step 4: Simplify right side
    8,202,333.20x = 88,723,568,817,972.11
  5. Step 5: Solve for x
    x = 88,723,568,817,972.11/8,202,333.20
  6. Step 6: Final answer
    x = 10,816,869.62

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.