Home / 31,702,586.76-47,538,889.20-12,280,908.96

Finding the Fourth Proportional to 31,702,586.76, 47,538,889.20 and 12,280,908.96

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Solution

The fourth proportional to 31,702,586.76, 47,538,889.20 and 12,280,908.96 is: 18,415,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,702,586.76 : 47,538,889.20 = 12,280,908.96 : x
  2. Step 2: Convert to fraction form
    31,702,586.76/47,538,889.20 = 12,280,908.96/x
  3. Step 3: Cross multiply
    31,702,586.76x = 47,538,889.20 × 12,280,908.96
  4. Step 4: Simplify right side
    31,702,586.76x = 583,820,770,324,727.25
  5. Step 5: Solve for x
    x = 583,820,770,324,727.25/31,702,586.76
  6. Step 6: Final answer
    x = 18,415,556.27

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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.