Home / 21,550,198.46-29,739,903.77-11,761,270.90

Finding the Fourth Proportional to 21,550,198.46, 29,739,903.77 and 11,761,270.90

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Solution

The fourth proportional to 21,550,198.46, 29,739,903.77 and 11,761,270.90 is: 16,230,897.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550,198.46 : 29,739,903.77 = 11,761,270.90 : x
  2. Step 2: Convert to fraction form
    21,550,198.46/29,739,903.77 = 11,761,270.90/x
  3. Step 3: Cross multiply
    21,550,198.46x = 29,739,903.77 × 11,761,270.90
  4. Step 4: Simplify right side
    21,550,198.46x = 349,779,064,733,954.75
  5. Step 5: Solve for x
    x = 349,779,064,733,954.75/21,550,198.46
  6. Step 6: Final answer
    x = 16,230,897.62

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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.