Home / 12,012,229.37-18,021,415.40-3,492,565.81

Finding the Fourth Proportional to 12,012,229.37, 18,021,415.40 and 3,492,565.81

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Solution

The fourth proportional to 12,012,229.37, 18,021,415.40 and 3,492,565.81 is: 5,239,741.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,229.37 : 18,021,415.40 = 3,492,565.81 : x
  2. Step 2: Convert to fraction form
    12,012,229.37/18,021,415.40 = 3,492,565.81/x
  3. Step 3: Cross multiply
    12,012,229.37x = 18,021,415.40 × 3,492,565.81
  4. Step 4: Simplify right side
    12,012,229.37x = 62,940,979,273,847.47
  5. Step 5: Solve for x
    x = 62,940,979,273,847.47/12,012,229.37
  6. Step 6: Final answer
    x = 5,239,741.71

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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.