Home / 11,537,736.90-15,926,979.49-7,188,971.85

Finding the Fourth Proportional to 11,537,736.90, 15,926,979.49 and 7,188,971.85

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Solution

The fourth proportional to 11,537,736.90, 15,926,979.49 and 7,188,971.85 is: 9,923,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,537,736.90 : 15,926,979.49 = 7,188,971.85 : x
  2. Step 2: Convert to fraction form
    11,537,736.90/15,926,979.49 = 7,188,971.85/x
  3. Step 3: Cross multiply
    11,537,736.90x = 15,926,979.49 × 7,188,971.85
  4. Step 4: Simplify right side
    11,537,736.90x = 114,498,607,129,502.45
  5. Step 5: Solve for x
    x = 114,498,607,129,502.45/11,537,736.90
  6. Step 6: Final answer
    x = 9,923,835.85

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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.