Home / 31,206,921.60-46,810,382.40-21,633,110.40

Finding the Fourth Proportional to 31,206,921.60, 46,810,382.40 and 21,633,110.40

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Solution

The fourth proportional to 31,206,921.60, 46,810,382.40 and 21,633,110.40 is: 32,449,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206,921.60 : 46,810,382.40 = 21,633,110.40 : x
  2. Step 2: Convert to fraction form
    31,206,921.60/46,810,382.40 = 21,633,110.40/x
  3. Step 3: Cross multiply
    31,206,921.60x = 46,810,382.40 × 21,633,110.40
  4. Step 4: Simplify right side
    31,206,921.60x = 1,012,654,170,325,416.88
  5. Step 5: Solve for x
    x = 1,012,654,170,325,416.88/31,206,921.60
  6. Step 6: Final answer
    x = 32,449,665.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.