Home / 31,423,093.97-43,357,370.72-18,367,827.54

Finding the Fourth Proportional to 31,423,093.97, 43,357,370.72 and 18,367,827.54

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Solution

The fourth proportional to 31,423,093.97, 43,357,370.72 and 18,367,827.54 is: 25,343,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,423,093.97 : 43,357,370.72 = 18,367,827.54 : x
  2. Step 2: Convert to fraction form
    31,423,093.97/43,357,370.72 = 18,367,827.54/x
  3. Step 3: Cross multiply
    31,423,093.97x = 43,357,370.72 × 18,367,827.54
  4. Step 4: Simplify right side
    31,423,093.97x = 796,380,707,718,376.38
  5. Step 5: Solve for x
    x = 796,380,707,718,376.38/31,423,093.97
  6. Step 6: Final answer
    x = 25,343,803.15

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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.