Home / 13,725,963.68-18,944,100.64-7,616,360.48

Finding the Fourth Proportional to 13,725,963.68, 18,944,100.64 and 7,616,360.48

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Solution

The fourth proportional to 13,725,963.68, 18,944,100.64 and 7,616,360.48 is: 10,511,837.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725,963.68 : 18,944,100.64 = 7,616,360.48 : x
  2. Step 2: Convert to fraction form
    13,725,963.68/18,944,100.64 = 7,616,360.48/x
  3. Step 3: Cross multiply
    13,725,963.68x = 18,944,100.64 × 7,616,360.48
  4. Step 4: Simplify right side
    13,725,963.68x = 144,285,099,443,638.72
  5. Step 5: Solve for x
    x = 144,285,099,443,638.72/13,725,963.68
  6. Step 6: Final answer
    x = 10,511,837.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.