Home / 19,555,237.60-29,321,192.40-11,987,634.40

Finding the Fourth Proportional to 19,555,237.60, 29,321,192.40 and 11,987,634.40

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Solution

The fourth proportional to 19,555,237.60, 29,321,192.40 and 11,987,634.40 is: 17,974,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555,237.60 : 29,321,192.40 = 11,987,634.40 : x
  2. Step 2: Convert to fraction form
    19,555,237.60/29,321,192.40 = 11,987,634.40/x
  3. Step 3: Cross multiply
    19,555,237.60x = 29,321,192.40 × 11,987,634.40
  4. Step 4: Simplify right side
    19,555,237.60x = 351,491,734,663,258.56
  5. Step 5: Solve for x
    x = 351,491,734,663,258.56/19,555,237.60
  6. Step 6: Final answer
    x = 17,974,301.40

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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.