Home / 8,439,336.16-11,661,732.48-6,143,511.04

Finding the Fourth Proportional to 8,439,336.16, 11,661,732.48 and 6,143,511.04

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Solution

The fourth proportional to 8,439,336.16, 11,661,732.48 and 6,143,511.04 is: 8,489,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439,336.16 : 11,661,732.48 = 6,143,511.04 : x
  2. Step 2: Convert to fraction form
    8,439,336.16/11,661,732.48 = 6,143,511.04/x
  3. Step 3: Cross multiply
    8,439,336.16x = 11,661,732.48 × 6,143,511.04
  4. Step 4: Simplify right side
    8,439,336.16x = 71,643,982,236,406.58
  5. Step 5: Solve for x
    x = 71,643,982,236,406.58/8,439,336.16
  6. Step 6: Final answer
    x = 8,489,291.20

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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.