Home / 8,042,296.80-12,088,328.40-7,892,997.60

Finding the Fourth Proportional to 8,042,296.80, 12,088,328.40 and 7,892,997.60

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Solution

The fourth proportional to 8,042,296.80, 12,088,328.40 and 7,892,997.60 is: 11,863,917.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042,296.80 : 12,088,328.40 = 7,892,997.60 : x
  2. Step 2: Convert to fraction form
    8,042,296.80/12,088,328.40 = 7,892,997.60/x
  3. Step 3: Cross multiply
    8,042,296.80x = 12,088,328.40 × 7,892,997.60
  4. Step 4: Simplify right side
    8,042,296.80x = 95,413,147,049,211.84
  5. Step 5: Solve for x
    x = 95,413,147,049,211.84/8,042,296.80
  6. Step 6: Final answer
    x = 11,863,917.66

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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.