Home / 8,238,625.68-11,366,059.68-5,139,345.36

Finding the Fourth Proportional to 8,238,625.68, 11,366,059.68 and 5,139,345.36

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Solution

The fourth proportional to 8,238,625.68, 11,366,059.68 and 5,139,345.36 is: 7,090,273.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238,625.68 : 11,366,059.68 = 5,139,345.36 : x
  2. Step 2: Convert to fraction form
    8,238,625.68/11,366,059.68 = 5,139,345.36/x
  3. Step 3: Cross multiply
    8,238,625.68x = 11,366,059.68 × 5,139,345.36
  4. Step 4: Simplify right side
    8,238,625.68x = 58,414,106,077,891.09
  5. Step 5: Solve for x
    x = 58,414,106,077,891.09/8,238,625.68
  6. Step 6: Final answer
    x = 7,090,273.10

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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.