Home / 8,309,090.43-11,468,458-4,872,438.63

Finding the Fourth Proportional to 8,309,090.43, 11,468,458 and 4,872,438.63

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Solution

The fourth proportional to 8,309,090.43, 11,468,458 and 4,872,438.63 is: 6,725,087.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,090.43 : 11,468,458 = 4,872,438.63 : x
  2. Step 2: Convert to fraction form
    8,309,090.43/11,468,458 = 4,872,438.63/x
  3. Step 3: Cross multiply
    8,309,090.43x = 11,468,458 × 4,872,438.63
  4. Step 4: Simplify right side
    8,309,090.43x = 55,879,357,785,732.54
  5. Step 5: Solve for x
    x = 55,879,357,785,732.54/8,309,090.43
  6. Step 6: Final answer
    x = 6,725,087.21

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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.