Home / 6,343,745.50-8,754,378.41-3,443,137.43

Finding the Fourth Proportional to 6,343,745.50, 8,754,378.41 and 3,443,137.43

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Solution

The fourth proportional to 6,343,745.50, 8,754,378.41 and 3,443,137.43 is: 4,751,534.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343,745.50 : 8,754,378.41 = 3,443,137.43 : x
  2. Step 2: Convert to fraction form
    6,343,745.50/8,754,378.41 = 3,443,137.43/x
  3. Step 3: Cross multiply
    6,343,745.50x = 8,754,378.41 × 3,443,137.43
  4. Step 4: Simplify right side
    6,343,745.50x = 30,142,527,979,854.89
  5. Step 5: Solve for x
    x = 30,142,527,979,854.89/6,343,745.50
  6. Step 6: Final answer
    x = 4,751,534.87

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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.