Home / 12,371,649.20-18,560,142.96-3,735,032.72

Finding the Fourth Proportional to 12,371,649.20, 18,560,142.96 and 3,735,032.72

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Solution

The fourth proportional to 12,371,649.20, 18,560,142.96 and 3,735,032.72 is: 5,603,354.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371,649.20 : 18,560,142.96 = 3,735,032.72 : x
  2. Step 2: Convert to fraction form
    12,371,649.20/18,560,142.96 = 3,735,032.72/x
  3. Step 3: Cross multiply
    12,371,649.20x = 18,560,142.96 × 3,735,032.72
  4. Step 4: Simplify right side
    12,371,649.20x = 69,322,741,243,477.66
  5. Step 5: Solve for x
    x = 69,322,741,243,477.66/12,371,649.20
  6. Step 6: Final answer
    x = 5,603,354.91

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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.