Home / 20,150,156.90-27,806,907.94-11,329,615.93

Finding the Fourth Proportional to 20,150,156.90, 27,806,907.94 and 11,329,615.93

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Solution

The fourth proportional to 20,150,156.90, 27,806,907.94 and 11,329,615.93 is: 15,634,696.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150,156.90 : 27,806,907.94 = 11,329,615.93 : x
  2. Step 2: Convert to fraction form
    20,150,156.90/27,806,907.94 = 11,329,615.93/x
  3. Step 3: Cross multiply
    20,150,156.90x = 27,806,907.94 × 11,329,615.93
  4. Step 4: Simplify right side
    20,150,156.90x = 315,041,587,161,067.50
  5. Step 5: Solve for x
    x = 315,041,587,161,067.50/20,150,156.90
  6. Step 6: Final answer
    x = 15,634,696.48

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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.