Home / 18,716,121.82-25,829,460.18-10,456,228.54

Finding the Fourth Proportional to 18,716,121.82, 25,829,460.18 and 10,456,228.54

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Solution

The fourth proportional to 18,716,121.82, 25,829,460.18 and 10,456,228.54 is: 14,430,272.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716,121.82 : 25,829,460.18 = 10,456,228.54 : x
  2. Step 2: Convert to fraction form
    18,716,121.82/25,829,460.18 = 10,456,228.54/x
  3. Step 3: Cross multiply
    18,716,121.82x = 25,829,460.18 × 10,456,228.54
  4. Step 4: Simplify right side
    18,716,121.82x = 270,078,738,706,909.50
  5. Step 5: Solve for x
    x = 270,078,738,706,909.50/18,716,121.82
  6. Step 6: Final answer
    x = 14,430,272.54

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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.