Home / 6,143,636.42-8,478,221.87-3,427,382.42

Finding the Fourth Proportional to 6,143,636.42, 8,478,221.87 and 3,427,382.42

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Solution

The fourth proportional to 6,143,636.42, 8,478,221.87 and 3,427,382.42 is: 4,729,789.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143,636.42 : 8,478,221.87 = 3,427,382.42 : x
  2. Step 2: Convert to fraction form
    6,143,636.42/8,478,221.87 = 3,427,382.42/x
  3. Step 3: Cross multiply
    6,143,636.42x = 8,478,221.87 × 3,427,382.42
  4. Step 4: Simplify right side
    6,143,636.42x = 29,058,108,572,960.61
  5. Step 5: Solve for x
    x = 29,058,108,572,960.61/6,143,636.42
  6. Step 6: Final answer
    x = 4,729,789.75

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1.5x scale

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.