Home / 20,946,600.64-31,419,584.78-9,423,930.96

Finding the Fourth Proportional to 20,946,600.64, 31,419,584.78 and 9,423,930.96

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Solution

The fourth proportional to 20,946,600.64, 31,419,584.78 and 9,423,930.96 is: 14,135,754.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,946,600.64 : 31,419,584.78 = 9,423,930.96 : x
  2. Step 2: Convert to fraction form
    20,946,600.64/31,419,584.78 = 9,423,930.96/x
  3. Step 3: Cross multiply
    20,946,600.64x = 31,419,584.78 × 9,423,930.96
  4. Step 4: Simplify right side
    20,946,600.64x = 296,095,997,758,586.81
  5. Step 5: Solve for x
    x = 296,095,997,758,586.81/20,946,600.64
  6. Step 6: Final answer
    x = 14,135,754.19

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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.