Home / 12,203,578.76-16,918,094.62-11,556,460.04

Finding the Fourth Proportional to 12,203,578.76, 16,918,094.62 and 11,556,460.04

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Solution

The fourth proportional to 12,203,578.76, 16,918,094.62 and 11,556,460.04 is: 16,020,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203,578.76 : 16,918,094.62 = 11,556,460.04 : x
  2. Step 2: Convert to fraction form
    12,203,578.76/16,918,094.62 = 11,556,460.04/x
  3. Step 3: Cross multiply
    12,203,578.76x = 16,918,094.62 × 11,556,460.04
  4. Step 4: Simplify right side
    12,203,578.76x = 195,513,284,428,968.97
  5. Step 5: Solve for x
    x = 195,513,284,428,968.97/12,203,578.76
  6. Step 6: Final answer
    x = 16,020,979.44

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.