Home / 28,446,901.92-39,256,723.44-15,394,161.24

Finding the Fourth Proportional to 28,446,901.92, 39,256,723.44 and 15,394,161.24

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Solution

The fourth proportional to 28,446,901.92, 39,256,723.44 and 15,394,161.24 is: 21,243,941.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,901.92 : 39,256,723.44 = 15,394,161.24 : x
  2. Step 2: Convert to fraction form
    28,446,901.92/39,256,723.44 = 15,394,161.24/x
  3. Step 3: Cross multiply
    28,446,901.92x = 39,256,723.44 × 15,394,161.24
  4. Step 4: Simplify right side
    28,446,901.92x = 604,324,330,389,447.50
  5. Step 5: Solve for x
    x = 604,324,330,389,447.50/28,446,901.92
  6. Step 6: Final answer
    x = 21,243,941.86

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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.