Home / 21,550,202.16-29,739,908.86-11,761,274.58

Finding the Fourth Proportional to 21,550,202.16, 29,739,908.86 and 11,761,274.58

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Solution

The fourth proportional to 21,550,202.16, 29,739,908.86 and 11,761,274.58 is: 16,230,902.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550,202.16 : 29,739,908.86 = 11,761,274.58 : x
  2. Step 2: Convert to fraction form
    21,550,202.16/29,739,908.86 = 11,761,274.58/x
  3. Step 3: Cross multiply
    21,550,202.16x = 29,739,908.86 × 11,761,274.58
  4. Step 4: Simplify right side
    21,550,202.16x = 349,779,234,086,634.75
  5. Step 5: Solve for x
    x = 349,779,234,086,634.75/21,550,202.16
  6. Step 6: Final answer
    x = 16,230,902.68

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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.