Home / 18,427,443.60-27,663,910.20-11,604,003.60

Finding the Fourth Proportional to 18,427,443.60, 27,663,910.20 and 11,604,003.60

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Solution

The fourth proportional to 18,427,443.60, 27,663,910.20 and 11,604,003.60 is: 17,420,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427,443.60 : 27,663,910.20 = 11,604,003.60 : x
  2. Step 2: Convert to fraction form
    18,427,443.60/27,663,910.20 = 11,604,003.60/x
  3. Step 3: Cross multiply
    18,427,443.60x = 27,663,910.20 × 11,604,003.60
  4. Step 4: Simplify right side
    18,427,443.60x = 321,012,113,550,876.69
  5. Step 5: Solve for x
    x = 321,012,113,550,876.69/18,427,443.60
  6. Step 6: Final answer
    x = 17,420,328.10

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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.