Home / 12,113,409.09-18,170,113.64-4,923,258.39

Finding the Fourth Proportional to 12,113,409.09, 18,170,113.64 and 4,923,258.39

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Solution

The fourth proportional to 12,113,409.09, 18,170,113.64 and 4,923,258.39 is: 7,384,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113,409.09 : 18,170,113.64 = 4,923,258.39 : x
  2. Step 2: Convert to fraction form
    12,113,409.09/18,170,113.64 = 4,923,258.39/x
  3. Step 3: Cross multiply
    12,113,409.09x = 18,170,113.64 × 4,923,258.39
  4. Step 4: Simplify right side
    12,113,409.09x = 89,456,164,425,383.44
  5. Step 5: Solve for x
    x = 89,456,164,425,383.44/12,113,409.09
  6. Step 6: Final answer
    x = 7,384,887.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.