Home / 20,743,777.66-31,115,416.11-5,389,708.66

Finding the Fourth Proportional to 20,743,777.66, 31,115,416.11 and 5,389,708.66

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Solution

The fourth proportional to 20,743,777.66, 31,115,416.11 and 5,389,708.66 is: 8,084,497.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,743,777.66 : 31,115,416.11 = 5,389,708.66 : x
  2. Step 2: Convert to fraction form
    20,743,777.66/31,115,416.11 = 5,389,708.66/x
  3. Step 3: Cross multiply
    20,743,777.66x = 31,115,416.11 × 5,389,708.66
  4. Step 4: Simplify right side
    20,743,777.66x = 167,703,027,667,570.50
  5. Step 5: Solve for x
    x = 167,703,027,667,570.50/20,743,777.66
  6. Step 6: Final answer
    x = 8,084,497.94

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1.5x scale

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.