Home / 20,684,724.80-31,027,087.20-17,496,078.80

Finding the Fourth Proportional to 20,684,724.80, 31,027,087.20 and 17,496,078.80

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Solution

The fourth proportional to 20,684,724.80, 31,027,087.20 and 17,496,078.80 is: 26,244,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,684,724.80 : 31,027,087.20 = 17,496,078.80 : x
  2. Step 2: Convert to fraction form
    20,684,724.80/31,027,087.20 = 17,496,078.80/x
  3. Step 3: Cross multiply
    20,684,724.80x = 31,027,087.20 × 17,496,078.80
  4. Step 4: Simplify right side
    20,684,724.80x = 542,852,362,585,671.38
  5. Step 5: Solve for x
    x = 542,852,362,585,671.38/20,684,724.80
  6. Step 6: Final answer
    x = 26,244,118.20

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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.