Home / 6,143,618.13-8,478,196.66-3,427,364.13

Finding the Fourth Proportional to 6,143,618.13, 8,478,196.66 and 3,427,364.13

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Solution

The fourth proportional to 6,143,618.13, 8,478,196.66 and 3,427,364.13 is: 4,729,764.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143,618.13 : 8,478,196.66 = 3,427,364.13 : x
  2. Step 2: Convert to fraction form
    6,143,618.13/8,478,196.66 = 3,427,364.13/x
  3. Step 3: Cross multiply
    6,143,618.13x = 8,478,196.66 × 3,427,364.13
  4. Step 4: Simplify right side
    6,143,618.13x = 29,057,867,119,569.80
  5. Step 5: Solve for x
    x = 29,057,867,119,569.80/6,143,618.13
  6. Step 6: Final answer
    x = 4,729,764.53

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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.