Home / 20,056,934.20-30,081,902.10-7,270,857.40

Finding the Fourth Proportional to 20,056,934.20, 30,081,902.10 and 7,270,857.40

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Solution

The fourth proportional to 20,056,934.20, 30,081,902.10 and 7,270,857.40 is: 10,905,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056,934.20 : 30,081,902.10 = 7,270,857.40 : x
  2. Step 2: Convert to fraction form
    20,056,934.20/30,081,902.10 = 7,270,857.40/x
  3. Step 3: Cross multiply
    20,056,934.20x = 30,081,902.10 × 7,270,857.40
  4. Step 4: Simplify right side
    20,056,934.20x = 218,721,220,489,860.56
  5. Step 5: Solve for x
    x = 218,721,220,489,860.56/20,056,934.20
  6. Step 6: Final answer
    x = 10,905,017.60

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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.