Home / 6,143,618.63-8,478,197.36-3,427,364.63

Finding the Fourth Proportional to 6,143,618.63, 8,478,197.36 and 3,427,364.63

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Solution

The fourth proportional to 6,143,618.63, 8,478,197.36 and 3,427,364.63 is: 4,729,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143,618.63 : 8,478,197.36 = 3,427,364.63 : x
  2. Step 2: Convert to fraction form
    6,143,618.63/8,478,197.36 = 3,427,364.63/x
  3. Step 3: Cross multiply
    6,143,618.63x = 8,478,197.36 × 3,427,364.63
  4. Step 4: Simplify right side
    6,143,618.63x = 29,057,873,698,295.57
  5. Step 5: Solve for x
    x = 29,057,873,698,295.57/6,143,618.63
  6. Step 6: Final answer
    x = 4,729,765.22

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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.