Home / 18,125,105.41-25,012,749.50-9,865,148.01

Finding the Fourth Proportional to 18,125,105.41, 25,012,749.50 and 9,865,148.01

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Solution

The fourth proportional to 18,125,105.41, 25,012,749.50 and 9,865,148.01 is: 13,613,960.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,105.41 : 25,012,749.50 = 9,865,148.01 : x
  2. Step 2: Convert to fraction form
    18,125,105.41/25,012,749.50 = 9,865,148.01/x
  3. Step 3: Cross multiply
    18,125,105.41x = 25,012,749.50 × 9,865,148.01
  4. Step 4: Simplify right side
    18,125,105.41x = 246,754,475,954,553.50
  5. Step 5: Solve for x
    x = 246,754,475,954,553.50/18,125,105.41
  6. Step 6: Final answer
    x = 13,613,960.88

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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.