Home / 40,214,785.14-55,494,745.65-21,880,143.54

Finding the Fourth Proportional to 40,214,785.14, 55,494,745.65 and 21,880,143.54

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Solution

The fourth proportional to 40,214,785.14, 55,494,745.65 and 21,880,143.54 is: 30,193,696.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,214,785.14 : 55,494,745.65 = 21,880,143.54 : x
  2. Step 2: Convert to fraction form
    40,214,785.14/55,494,745.65 = 21,880,143.54/x
  3. Step 3: Cross multiply
    40,214,785.14x = 55,494,745.65 × 21,880,143.54
  4. Step 4: Simplify right side
    40,214,785.14x = 1,214,233,000,537,790.50
  5. Step 5: Solve for x
    x = 1,214,233,000,537,790.50/40,214,785.14
  6. Step 6: Final answer
    x = 30,193,696.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.