Home / 18,347,834.40-27,521,751.60-12,301,216.80

Finding the Fourth Proportional to 18,347,834.40, 27,521,751.60 and 12,301,216.80

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Solution

The fourth proportional to 18,347,834.40, 27,521,751.60 and 12,301,216.80 is: 18,451,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347,834.40 : 27,521,751.60 = 12,301,216.80 : x
  2. Step 2: Convert to fraction form
    18,347,834.40/27,521,751.60 = 12,301,216.80/x
  3. Step 3: Cross multiply
    18,347,834.40x = 27,521,751.60 × 12,301,216.80
  4. Step 4: Simplify right side
    18,347,834.40x = 338,551,033,147,346.94
  5. Step 5: Solve for x
    x = 338,551,033,147,346.94/18,347,834.40
  6. Step 6: Final answer
    x = 18,451,825.20

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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.