Home / 8,487,456.40-12,731,188.70-2,807,680.71

Finding the Fourth Proportional to 8,487,456.40, 12,731,188.70 and 2,807,680.71

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Solution

The fourth proportional to 8,487,456.40, 12,731,188.70 and 2,807,680.71 is: 4,211,522.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,456.40 : 12,731,188.70 = 2,807,680.71 : x
  2. Step 2: Convert to fraction form
    8,487,456.40/12,731,188.70 = 2,807,680.71/x
  3. Step 3: Cross multiply
    8,487,456.40x = 12,731,188.70 × 2,807,680.71
  4. Step 4: Simplify right side
    8,487,456.40x = 35,745,112,983,121.14
  5. Step 5: Solve for x
    x = 35,745,112,983,121.14/8,487,456.40
  6. Step 6: Final answer
    x = 4,211,522.43

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