Home / 12,336,077.25-17,021,424.65-7,984,559.61

Finding the Fourth Proportional to 12,336,077.25, 17,021,424.65 and 7,984,559.61

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Solution

The fourth proportional to 12,336,077.25, 17,021,424.65 and 7,984,559.61 is: 11,017,163.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336,077.25 : 17,021,424.65 = 7,984,559.61 : x
  2. Step 2: Convert to fraction form
    12,336,077.25/17,021,424.65 = 7,984,559.61/x
  3. Step 3: Cross multiply
    12,336,077.25x = 17,021,424.65 × 7,984,559.61
  4. Step 4: Simplify right side
    12,336,077.25x = 135,908,579,725,125.59
  5. Step 5: Solve for x
    x = 135,908,579,725,125.59/12,336,077.25
  6. Step 6: Final answer
    x = 11,017,163.48

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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.