Home / 15,192,992.33-20,966,326.81-8,223,668.50

Finding the Fourth Proportional to 15,192,992.33, 20,966,326.81 and 8,223,668.50

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Solution

The fourth proportional to 15,192,992.33, 20,966,326.81 and 8,223,668.50 is: 11,348,661.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,192,992.33 : 20,966,326.81 = 8,223,668.50 : x
  2. Step 2: Convert to fraction form
    15,192,992.33/20,966,326.81 = 8,223,668.50/x
  3. Step 3: Cross multiply
    15,192,992.33x = 20,966,326.81 × 8,223,668.50
  4. Step 4: Simplify right side
    15,192,992.33x = 172,420,121,348,102.47
  5. Step 5: Solve for x
    x = 172,420,121,348,102.47/15,192,992.33
  6. Step 6: Final answer
    x = 11,348,661.12

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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.