Home / 7,809,899.64-11,694,663.45-5,388,518.94

Finding the Fourth Proportional to 7,809,899.64, 11,694,663.45 and 5,388,518.94

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Solution

The fourth proportional to 7,809,899.64, 11,694,663.45 and 5,388,518.94 is: 8,068,850.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809,899.64 : 11,694,663.45 = 5,388,518.94 : x
  2. Step 2: Convert to fraction form
    7,809,899.64/11,694,663.45 = 5,388,518.94/x
  3. Step 3: Cross multiply
    7,809,899.64x = 11,694,663.45 × 5,388,518.94
  4. Step 4: Simplify right side
    7,809,899.64x = 63,016,915,497,250.74
  5. Step 5: Solve for x
    x = 63,016,915,497,250.74/7,809,899.64
  6. Step 6: Final answer
    x = 8,068,850.87

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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.