Home / 20,166,687.05-27,830,359.89-10,999,329.80

Finding the Fourth Proportional to 20,166,687.05, 27,830,359.89 and 10,999,329.80

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Solution

The fourth proportional to 20,166,687.05, 27,830,359.89 and 10,999,329.80 is: 15,179,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166,687.05 : 27,830,359.89 = 10,999,329.80 : x
  2. Step 2: Convert to fraction form
    20,166,687.05/27,830,359.89 = 10,999,329.80/x
  3. Step 3: Cross multiply
    20,166,687.05x = 27,830,359.89 × 10,999,329.80
  4. Step 4: Simplify right side
    20,166,687.05x = 306,115,306,743,649.94
  5. Step 5: Solve for x
    x = 306,115,306,743,649.94/20,166,687.05
  6. Step 6: Final answer
    x = 15,179,256.07

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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.