Home / 20,503,901.79-30,755,882.61-8,373,365.37

Finding the Fourth Proportional to 20,503,901.79, 30,755,882.61 and 8,373,365.37

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Solution

The fourth proportional to 20,503,901.79, 30,755,882.61 and 8,373,365.37 is: 12,560,060.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503,901.79 : 30,755,882.61 = 8,373,365.37 : x
  2. Step 2: Convert to fraction form
    20,503,901.79/30,755,882.61 = 8,373,365.37/x
  3. Step 3: Cross multiply
    20,503,901.79x = 30,755,882.61 × 8,373,365.37
  4. Step 4: Simplify right side
    20,503,901.79x = 257,530,242,370,359.22
  5. Step 5: Solve for x
    x = 257,530,242,370,359.22/20,503,901.79
  6. Step 6: Final answer
    x = 12,560,060.28

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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.