Home / 13,305,321.60-19,957,982.40-11,959,004.40

Finding the Fourth Proportional to 13,305,321.60, 19,957,982.40 and 11,959,004.40

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Solution

The fourth proportional to 13,305,321.60, 19,957,982.40 and 11,959,004.40 is: 17,938,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,321.60 : 19,957,982.40 = 11,959,004.40 : x
  2. Step 2: Convert to fraction form
    13,305,321.60/19,957,982.40 = 11,959,004.40/x
  3. Step 3: Cross multiply
    13,305,321.60x = 19,957,982.40 × 11,959,004.40
  4. Step 4: Simplify right side
    13,305,321.60x = 238,677,599,336,722.56
  5. Step 5: Solve for x
    x = 238,677,599,336,722.56/13,305,321.60
  6. Step 6: Final answer
    x = 17,938,506.60

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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.