Home / 8,209,819.20-12,309,512.64-7,200,966.96

Finding the Fourth Proportional to 8,209,819.20, 12,309,512.64 and 7,200,966.96

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Solution

The fourth proportional to 8,209,819.20, 12,309,512.64 and 7,200,966.96 is: 10,796,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209,819.20 : 12,309,512.64 = 7,200,966.96 : x
  2. Step 2: Convert to fraction form
    8,209,819.20/12,309,512.64 = 7,200,966.96/x
  3. Step 3: Cross multiply
    8,209,819.20x = 12,309,512.64 × 7,200,966.96
  4. Step 4: Simplify right side
    8,209,819.20x = 88,640,393,814,342.38
  5. Step 5: Solve for x
    x = 88,640,393,814,342.38/8,209,819.20
  6. Step 6: Final answer
    x = 10,796,875.26

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