Home / 31,497,895.80-43,472,732.94-18,444,392.64

Finding the Fourth Proportional to 31,497,895.80, 43,472,732.94 and 18,444,392.64

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Solution

The fourth proportional to 31,497,895.80, 43,472,732.94 and 18,444,392.64 is: 25,456,562.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,497,895.80 : 43,472,732.94 = 18,444,392.64 : x
  2. Step 2: Convert to fraction form
    31,497,895.80/43,472,732.94 = 18,444,392.64/x
  3. Step 3: Cross multiply
    31,497,895.80x = 43,472,732.94 × 18,444,392.64
  4. Step 4: Simplify right side
    31,497,895.80x = 801,828,155,479,221.50
  5. Step 5: Solve for x
    x = 801,828,155,479,221.50/31,497,895.80
  6. Step 6: Final answer
    x = 25,456,562.58

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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.