Home / 6,438,775.30-8,876,631.19-5,136,448.24

Finding the Fourth Proportional to 6,438,775.30, 8,876,631.19 and 5,136,448.24

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Solution

The fourth proportional to 6,438,775.30, 8,876,631.19 and 5,136,448.24 is: 7,081,215.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,775.30 : 8,876,631.19 = 5,136,448.24 : x
  2. Step 2: Convert to fraction form
    6,438,775.30/8,876,631.19 = 5,136,448.24/x
  3. Step 3: Cross multiply
    6,438,775.30x = 8,876,631.19 × 5,136,448.24
  4. Step 4: Simplify right side
    6,438,775.30x = 45,594,356,653,004.60
  5. Step 5: Solve for x
    x = 45,594,356,653,004.60/6,438,775.30
  6. Step 6: Final answer
    x = 7,081,215.69

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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.