Home / 20,467,610.49-28,247,779.53-11,649,205.95

Finding the Fourth Proportional to 20,467,610.49, 28,247,779.53 and 11,649,205.95

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Solution

The fourth proportional to 20,467,610.49, 28,247,779.53 and 11,649,205.95 is: 16,077,314.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467,610.49 : 28,247,779.53 = 11,649,205.95 : x
  2. Step 2: Convert to fraction form
    20,467,610.49/28,247,779.53 = 11,649,205.95/x
  3. Step 3: Cross multiply
    20,467,610.49x = 28,247,779.53 × 11,649,205.95
  4. Step 4: Simplify right side
    20,467,610.49x = 329,064,201,375,164.19
  5. Step 5: Solve for x
    x = 329,064,201,375,164.19/20,467,610.49
  6. Step 6: Final answer
    x = 16,077,314.03

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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.