Home / 18,289,129.20-27,405,700.20-17,281,359.60

Finding the Fourth Proportional to 18,289,129.20, 27,405,700.20 and 17,281,359.60

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Solution

The fourth proportional to 18,289,129.20, 27,405,700.20 and 17,281,359.60 is: 25,895,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289,129.20 : 27,405,700.20 = 17,281,359.60 : x
  2. Step 2: Convert to fraction form
    18,289,129.20/27,405,700.20 = 17,281,359.60/x
  3. Step 3: Cross multiply
    18,289,129.20x = 27,405,700.20 × 17,281,359.60
  4. Step 4: Simplify right side
    18,289,129.20x = 473,607,760,245,991.94
  5. Step 5: Solve for x
    x = 473,607,760,245,991.94/18,289,129.20
  6. Step 6: Final answer
    x = 25,895,588.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.