Home / 20,853,576.06-28,779,640.37-11,564,060.04

Finding the Fourth Proportional to 20,853,576.06, 28,779,640.37 and 11,564,060.04

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Solution

The fourth proportional to 20,853,576.06, 28,779,640.37 and 11,564,060.04 is: 15,959,348.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,853,576.06 : 28,779,640.37 = 11,564,060.04 : x
  2. Step 2: Convert to fraction form
    20,853,576.06/28,779,640.37 = 11,564,060.04/x
  3. Step 3: Cross multiply
    20,853,576.06x = 28,779,640.37 × 11,564,060.04
  4. Step 4: Simplify right side
    20,853,576.06x = 332,809,489,110,467.50
  5. Step 5: Solve for x
    x = 332,809,489,110,467.50/20,853,576.06
  6. Step 6: Final answer
    x = 15,959,348.56

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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.