Home / 20,672,629.68-31,006,578.52-5,527,742.16

Finding the Fourth Proportional to 20,672,629.68, 31,006,578.52 and 5,527,742.16

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Solution

The fourth proportional to 20,672,629.68, 31,006,578.52 and 5,527,742.16 is: 8,290,980.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672,629.68 : 31,006,578.52 = 5,527,742.16 : x
  2. Step 2: Convert to fraction form
    20,672,629.68/31,006,578.52 = 5,527,742.16/x
  3. Step 3: Cross multiply
    20,672,629.68x = 31,006,578.52 × 5,527,742.16
  4. Step 4: Simplify right side
    20,672,629.68x = 171,396,371,322,354.41
  5. Step 5: Solve for x
    x = 171,396,371,322,354.41/20,672,629.68
  6. Step 6: Final answer
    x = 8,290,980.59

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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.