Home / 13,173,950.12-18,179,659.86-7,293,845.84

Finding the Fourth Proportional to 13,173,950.12, 18,179,659.86 and 7,293,845.84

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Solution

The fourth proportional to 13,173,950.12, 18,179,659.86 and 7,293,845.84 is: 10,065,290.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,950.12 : 18,179,659.86 = 7,293,845.84 : x
  2. Step 2: Convert to fraction form
    13,173,950.12/18,179,659.86 = 7,293,845.84/x
  3. Step 3: Cross multiply
    13,173,950.12x = 18,179,659.86 × 7,293,845.84
  4. Step 4: Simplify right side
    13,173,950.12x = 132,599,636,442,475.97
  5. Step 5: Solve for x
    x = 132,599,636,442,475.97/13,173,950.12
  6. Step 6: Final answer
    x = 10,065,290.61

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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.