Home / 18,083,676.60-27,128,503.80-8,377,989.30

Finding the Fourth Proportional to 18,083,676.60, 27,128,503.80 and 8,377,989.30

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Solution

The fourth proportional to 18,083,676.60, 27,128,503.80 and 8,377,989.30 is: 12,568,368.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,083,676.60 : 27,128,503.80 = 8,377,989.30 : x
  2. Step 2: Convert to fraction form
    18,083,676.60/27,128,503.80 = 8,377,989.30/x
  3. Step 3: Cross multiply
    18,083,676.60x = 27,128,503.80 × 8,377,989.30
  4. Step 4: Simplify right side
    18,083,676.60x = 227,282,314,561,409.34
  5. Step 5: Solve for x
    x = 227,282,314,561,409.34/18,083,676.60
  6. Step 6: Final answer
    x = 12,568,368.68

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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.