Home / 20,337,240.27-28,058,563.38-11,515,486.14

Finding the Fourth Proportional to 20,337,240.27, 28,058,563.38 and 11,515,486.14

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Solution

The fourth proportional to 20,337,240.27, 28,058,563.38 and 11,515,486.14 is: 15,887,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,337,240.27 : 28,058,563.38 = 11,515,486.14 : x
  2. Step 2: Convert to fraction form
    20,337,240.27/28,058,563.38 = 11,515,486.14/x
  3. Step 3: Cross multiply
    20,337,240.27x = 28,058,563.38 × 11,515,486.14
  4. Step 4: Simplify right side
    20,337,240.27x = 323,107,997,710,701.56
  5. Step 5: Solve for x
    x = 323,107,997,710,701.56/20,337,240.27
  6. Step 6: Final answer
    x = 15,887,504.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.