Home / 7,398,516.80-11,085,965.40-6,193,917.20

Finding the Fourth Proportional to 7,398,516.80, 11,085,965.40 and 6,193,917.20

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Solution

The fourth proportional to 7,398,516.80, 11,085,965.40 and 6,193,917.20 is: 9,280,988.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398,516.80 : 11,085,965.40 = 6,193,917.20 : x
  2. Step 2: Convert to fraction form
    7,398,516.80/11,085,965.40 = 6,193,917.20/x
  3. Step 3: Cross multiply
    7,398,516.80x = 11,085,965.40 × 6,193,917.20
  4. Step 4: Simplify right side
    7,398,516.80x = 68,665,551,769,664.88
  5. Step 5: Solve for x
    x = 68,665,551,769,664.88/7,398,516.80
  6. Step 6: Final answer
    x = 9,280,988.83

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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.