Home / 12,336,078.25-17,021,426.02-7,984,560.61

Finding the Fourth Proportional to 12,336,078.25, 17,021,426.02 and 7,984,560.61

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Solution

The fourth proportional to 12,336,078.25, 17,021,426.02 and 7,984,560.61 is: 11,017,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336,078.25 : 17,021,426.02 = 7,984,560.61 : x
  2. Step 2: Convert to fraction form
    12,336,078.25/17,021,426.02 = 7,984,560.61/x
  3. Step 3: Cross multiply
    12,336,078.25x = 17,021,426.02 × 7,984,560.61
  4. Step 4: Simplify right side
    12,336,078.25x = 135,908,607,725,321.08
  5. Step 5: Solve for x
    x = 135,908,607,725,321.08/12,336,078.25
  6. Step 6: Final answer
    x = 11,017,164.85

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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.