Home / 8,764,521.32-13,206,606.24-7,202,084.78

Finding the Fourth Proportional to 8,764,521.32, 13,206,606.24 and 7,202,084.78

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Solution

The fourth proportional to 8,764,521.32, 13,206,606.24 and 7,202,084.78 is: 10,852,286.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764,521.32 : 13,206,606.24 = 7,202,084.78 : x
  2. Step 2: Convert to fraction form
    8,764,521.32/13,206,606.24 = 7,202,084.78/x
  3. Step 3: Cross multiply
    8,764,521.32x = 13,206,606.24 × 7,202,084.78
  4. Step 4: Simplify right side
    8,764,521.32x = 95,115,097,796,557.03
  5. Step 5: Solve for x
    x = 95,115,097,796,557.03/8,764,521.32
  6. Step 6: Final answer
    x = 10,852,286.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.