Home / 20,322,897.34-28,045,629.13-11,030,470.80

Finding the Fourth Proportional to 20,322,897.34, 28,045,629.13 and 11,030,470.80

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Solution

The fourth proportional to 20,322,897.34, 28,045,629.13 and 11,030,470.80 is: 15,222,066.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,322,897.34 : 28,045,629.13 = 11,030,470.80 : x
  2. Step 2: Convert to fraction form
    20,322,897.34/28,045,629.13 = 11,030,470.80/x
  3. Step 3: Cross multiply
    20,322,897.34x = 28,045,629.13 × 11,030,470.80
  4. Step 4: Simplify right side
    20,322,897.34x = 309,356,493,200,757.19
  5. Step 5: Solve for x
    x = 309,356,493,200,757.19/20,322,897.34
  6. Step 6: Final answer
    x = 15,222,066.42

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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.