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Finding the Fourth Proportional to 6,368,626.95, 8,788,473.15 and 3,467,954.18

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Solution

The fourth proportional to 6,368,626.95, 8,788,473.15 and 3,467,954.18 is: 4,785,650.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368,626.95 : 8,788,473.15 = 3,467,954.18 : x
  2. Step 2: Convert to fraction form
    6,368,626.95/8,788,473.15 = 3,467,954.18/x
  3. Step 3: Cross multiply
    6,368,626.95x = 8,788,473.15 × 3,467,954.18
  4. Step 4: Simplify right side
    6,368,626.95x = 30,478,022,196,360.27
  5. Step 5: Solve for x
    x = 30,478,022,196,360.27/6,368,626.95
  6. Step 6: Final answer
    x = 4,785,650.41

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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.