Home / 20,262,130.94-27,961,786.78-10,969,798.80

Finding the Fourth Proportional to 20,262,130.94, 27,961,786.78 and 10,969,798.80

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Solution

The fourth proportional to 20,262,130.94, 27,961,786.78 and 10,969,798.80 is: 15,138,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262,130.94 : 27,961,786.78 = 10,969,798.80 : x
  2. Step 2: Convert to fraction form
    20,262,130.94/27,961,786.78 = 10,969,798.80/x
  3. Step 3: Cross multiply
    20,262,130.94x = 27,961,786.78 × 10,969,798.80
  4. Step 4: Simplify right side
    20,262,130.94x = 306,735,175,065,099.88
  5. Step 5: Solve for x
    x = 306,735,175,065,099.88/20,262,130.94
  6. Step 6: Final answer
    x = 15,138,347.29

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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.