Home / 18,585,620.64-27,878,369.76-4,940,140.32

Finding the Fourth Proportional to 18,585,620.64, 27,878,369.76 and 4,940,140.32

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Solution

The fourth proportional to 18,585,620.64, 27,878,369.76 and 4,940,140.32 is: 7,410,194.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585,620.64 : 27,878,369.76 = 4,940,140.32 : x
  2. Step 2: Convert to fraction form
    18,585,620.64/27,878,369.76 = 4,940,140.32/x
  3. Step 3: Cross multiply
    18,585,620.64x = 27,878,369.76 × 4,940,140.32
  4. Step 4: Simplify right side
    18,585,620.64x = 137,723,058,507,244.73
  5. Step 5: Solve for x
    x = 137,723,058,507,244.73/18,585,620.64
  6. Step 6: Final answer
    x = 7,410,194.21

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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.