Home / 17,109,481.63-25,570,288.97-12,508,154.50

Finding the Fourth Proportional to 17,109,481.63, 25,570,288.97 and 12,508,154.50

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Solution

The fourth proportional to 17,109,481.63, 25,570,288.97 and 12,508,154.50 is: 18,693,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,109,481.63 : 25,570,288.97 = 12,508,154.50 : x
  2. Step 2: Convert to fraction form
    17,109,481.63/25,570,288.97 = 12,508,154.50/x
  3. Step 3: Cross multiply
    17,109,481.63x = 25,570,288.97 × 12,508,154.50
  4. Step 4: Simplify right side
    17,109,481.63x = 319,837,125,046,405.88
  5. Step 5: Solve for x
    x = 319,837,125,046,405.88/17,109,481.63
  6. Step 6: Final answer
    x = 18,693,560.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.