Home / 23,149,981.08-31,940,458.38-18,239,981.40

Finding the Fourth Proportional to 23,149,981.08, 31,940,458.38 and 18,239,981.40

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Solution

The fourth proportional to 23,149,981.08, 31,940,458.38 and 18,239,981.40 is: 25,166,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,149,981.08 : 31,940,458.38 = 18,239,981.40 : x
  2. Step 2: Convert to fraction form
    23,149,981.08/31,940,458.38 = 18,239,981.40/x
  3. Step 3: Cross multiply
    23,149,981.08x = 31,940,458.38 × 18,239,981.40
  4. Step 4: Simplify right side
    23,149,981.08x = 582,593,366,758,674.12
  5. Step 5: Solve for x
    x = 582,593,366,758,674.12/23,149,981.08
  6. Step 6: Final answer
    x = 25,166,040.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.