Home / 31,370,268.87-43,295,035.41-17,619,234.21

Finding the Fourth Proportional to 31,370,268.87, 43,295,035.41 and 17,619,234.21

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Solution

The fourth proportional to 31,370,268.87, 43,295,035.41 and 17,619,234.21 is: 24,316,825.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,370,268.87 : 43,295,035.41 = 17,619,234.21 : x
  2. Step 2: Convert to fraction form
    31,370,268.87/43,295,035.41 = 17,619,234.21/x
  3. Step 3: Cross multiply
    31,370,268.87x = 43,295,035.41 × 17,619,234.21
  4. Step 4: Simplify right side
    31,370,268.87x = 762,825,369,019,033.38
  5. Step 5: Solve for x
    x = 762,825,369,019,033.38/31,370,268.87
  6. Step 6: Final answer
    x = 24,316,825.98

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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.