Home / 28,446,900.92-39,256,722.06-15,394,160.24

Finding the Fourth Proportional to 28,446,900.92, 39,256,722.06 and 15,394,160.24

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Solution

The fourth proportional to 28,446,900.92, 39,256,722.06 and 15,394,160.24 is: 21,243,940.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,900.92 : 39,256,722.06 = 15,394,160.24 : x
  2. Step 2: Convert to fraction form
    28,446,900.92/39,256,722.06 = 15,394,160.24/x
  3. Step 3: Cross multiply
    28,446,900.92x = 39,256,722.06 × 15,394,160.24
  4. Step 4: Simplify right side
    28,446,900.92x = 604,324,269,888,783
  5. Step 5: Solve for x
    x = 604,324,269,888,783/28,446,900.92
  6. Step 6: Final answer
    x = 21,243,940.48

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1.5x scale

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.