Home / 12,214,458.40-18,321,687.60-11,934,522.40

Finding the Fourth Proportional to 12,214,458.40, 18,321,687.60 and 11,934,522.40

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Solution

The fourth proportional to 12,214,458.40, 18,321,687.60 and 11,934,522.40 is: 17,901,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214,458.40 : 18,321,687.60 = 11,934,522.40 : x
  2. Step 2: Convert to fraction form
    12,214,458.40/18,321,687.60 = 11,934,522.40/x
  3. Step 3: Cross multiply
    12,214,458.40x = 18,321,687.60 × 11,934,522.40
  4. Step 4: Simplify right side
    12,214,458.40x = 218,660,591,068,002.25
  5. Step 5: Solve for x
    x = 218,660,591,068,002.25/12,214,458.40
  6. Step 6: Final answer
    x = 17,901,783.60

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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.