Home / 6,629,442.57-9,148,725.23-3,913,188.57

Finding the Fourth Proportional to 6,629,442.57, 9,148,725.23 and 3,913,188.57

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Solution

The fourth proportional to 6,629,442.57, 9,148,725.23 and 3,913,188.57 is: 5,400,255.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629,442.57 : 9,148,725.23 = 3,913,188.57 : x
  2. Step 2: Convert to fraction form
    6,629,442.57/9,148,725.23 = 3,913,188.57/x
  3. Step 3: Cross multiply
    6,629,442.57x = 9,148,725.23 × 3,913,188.57
  4. Step 4: Simplify right side
    6,629,442.57x = 35,800,686,980,540.67
  5. Step 5: Solve for x
    x = 35,800,686,980,540.67/6,629,442.57
  6. Step 6: Final answer
    x = 5,400,255.99

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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.