Home / 13,725,965.68-18,944,103.40-7,616,362.48

Finding the Fourth Proportional to 13,725,965.68, 18,944,103.40 and 7,616,362.48

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Solution

The fourth proportional to 13,725,965.68, 18,944,103.40 and 7,616,362.48 is: 10,511,840.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725,965.68 : 18,944,103.40 = 7,616,362.48 : x
  2. Step 2: Convert to fraction form
    13,725,965.68/18,944,103.40 = 7,616,362.48/x
  3. Step 3: Cross multiply
    13,725,965.68x = 18,944,103.40 × 7,616,362.48
  4. Step 4: Simplify right side
    13,725,965.68x = 144,285,158,353,000.44
  5. Step 5: Solve for x
    x = 144,285,158,353,000.44/13,725,965.68
  6. Step 6: Final answer
    x = 10,511,840.24

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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.