Home / 31,743,312.24-43,809,823.08-18,691,785.60

Finding the Fourth Proportional to 31,743,312.24, 43,809,823.08 and 18,691,785.60

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Solution

The fourth proportional to 31,743,312.24, 43,809,823.08 and 18,691,785.60 is: 25,797,050.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,743,312.24 : 43,809,823.08 = 18,691,785.60 : x
  2. Step 2: Convert to fraction form
    31,743,312.24/43,809,823.08 = 18,691,785.60/x
  3. Step 3: Cross multiply
    31,743,312.24x = 43,809,823.08 × 18,691,785.60
  4. Step 4: Simplify right side
    31,743,312.24x = 818,883,820,185,291.62
  5. Step 5: Solve for x
    x = 818,883,820,185,291.62/31,743,312.24
  6. Step 6: Final answer
    x = 25,797,050.23

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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.