Home / 20,157,649.44-27,816,755.04-11,900,371.74

Finding the Fourth Proportional to 20,157,649.44, 27,816,755.04 and 11,900,371.74

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Solution

The fourth proportional to 20,157,649.44, 27,816,755.04 and 11,900,371.74 is: 16,422,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157,649.44 : 27,816,755.04 = 11,900,371.74 : x
  2. Step 2: Convert to fraction form
    20,157,649.44/27,816,755.04 = 11,900,371.74/x
  3. Step 3: Cross multiply
    20,157,649.44x = 27,816,755.04 × 11,900,371.74
  4. Step 4: Simplify right side
    20,157,649.44x = 331,029,725,576,518.56
  5. Step 5: Solve for x
    x = 331,029,725,576,518.56/20,157,649.44
  6. Step 6: Final answer
    x = 16,422,040.01

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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.