Home / 18,086,504.40-27,129,756.60-16,700,821.20

Finding the Fourth Proportional to 18,086,504.40, 27,129,756.60 and 16,700,821.20

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Solution

The fourth proportional to 18,086,504.40, 27,129,756.60 and 16,700,821.20 is: 25,051,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086,504.40 : 27,129,756.60 = 16,700,821.20 : x
  2. Step 2: Convert to fraction form
    18,086,504.40/27,129,756.60 = 16,700,821.20/x
  3. Step 3: Cross multiply
    18,086,504.40x = 27,129,756.60 × 16,700,821.20
  4. Step 4: Simplify right side
    18,086,504.40x = 453,089,214,176,119.94
  5. Step 5: Solve for x
    x = 453,089,214,176,119.94/18,086,504.40
  6. Step 6: Final answer
    x = 25,051,231.80

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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.