Home / 19,691,322.40-29,522,986.80-7,556,096.80

Finding the Fourth Proportional to 19,691,322.40, 29,522,986.80 and 7,556,096.80

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Solution

The fourth proportional to 19,691,322.40, 29,522,986.80 and 7,556,096.80 is: 11,328,774.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691,322.40 : 29,522,986.80 = 7,556,096.80 : x
  2. Step 2: Convert to fraction form
    19,691,322.40/29,522,986.80 = 7,556,096.80/x
  3. Step 3: Cross multiply
    19,691,322.40x = 29,522,986.80 × 7,556,096.80
  4. Step 4: Simplify right side
    19,691,322.40x = 223,078,546,085,922.25
  5. Step 5: Solve for x
    x = 223,078,546,085,922.25/19,691,322.40
  6. Step 6: Final answer
    x = 11,328,774.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.