Home / 6,438,774.30-8,876,629.82-5,136,447.24

Finding the Fourth Proportional to 6,438,774.30, 8,876,629.82 and 5,136,447.24

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Solution

The fourth proportional to 6,438,774.30, 8,876,629.82 and 5,136,447.24 is: 7,081,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,774.30 : 8,876,629.82 = 5,136,447.24 : x
  2. Step 2: Convert to fraction form
    6,438,774.30/8,876,629.82 = 5,136,447.24/x
  3. Step 3: Cross multiply
    6,438,774.30x = 8,876,629.82 × 5,136,447.24
  4. Step 4: Simplify right side
    6,438,774.30x = 45,594,340,713,758.46
  5. Step 5: Solve for x
    x = 45,594,340,713,758.46/6,438,774.30
  6. Step 6: Final answer
    x = 7,081,214.31

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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.