Home / 20,458,487.28-30,684,309.48-7,501,960.56

Finding the Fourth Proportional to 20,458,487.28, 30,684,309.48 and 7,501,960.56

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Solution

The fourth proportional to 20,458,487.28, 30,684,309.48 and 7,501,960.56 is: 11,251,686.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,458,487.28 : 30,684,309.48 = 7,501,960.56 : x
  2. Step 2: Convert to fraction form
    20,458,487.28/30,684,309.48 = 7,501,960.56/x
  3. Step 3: Cross multiply
    20,458,487.28x = 30,684,309.48 × 7,501,960.56
  4. Step 4: Simplify right side
    20,458,487.28x = 230,192,479,529,794.09
  5. Step 5: Solve for x
    x = 230,192,479,529,794.09/20,458,487.28
  6. Step 6: Final answer
    x = 11,251,686.23

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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.