Home / 18,461,253.70-27,691,880.55-16,388,633.80

Finding the Fourth Proportional to 18,461,253.70, 27,691,880.55 and 16,388,633.80

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Solution

The fourth proportional to 18,461,253.70, 27,691,880.55 and 16,388,633.80 is: 24,582,950.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461,253.70 : 27,691,880.55 = 16,388,633.80 : x
  2. Step 2: Convert to fraction form
    18,461,253.70/27,691,880.55 = 16,388,633.80/x
  3. Step 3: Cross multiply
    18,461,253.70x = 27,691,880.55 × 16,388,633.80
  4. Step 4: Simplify right side
    18,461,253.70x = 453,832,089,567,292.62
  5. Step 5: Solve for x
    x = 453,832,089,567,292.62/18,461,253.70
  6. Step 6: Final answer
    x = 24,582,950.70

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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.