Home / 19,244,969.11-28,863,966.36-7,729,971.24

Finding the Fourth Proportional to 19,244,969.11, 28,863,966.36 and 7,729,971.24

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Solution

The fourth proportional to 19,244,969.11, 28,863,966.36 and 7,729,971.24 is: 11,593,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,244,969.11 : 28,863,966.36 = 7,729,971.24 : x
  2. Step 2: Convert to fraction form
    19,244,969.11/28,863,966.36 = 7,729,971.24/x
  3. Step 3: Cross multiply
    19,244,969.11x = 28,863,966.36 × 7,729,971.24
  4. Step 4: Simplify right side
    19,244,969.11x = 223,117,629,972,354.75
  5. Step 5: Solve for x
    x = 223,117,629,972,354.75/19,244,969.11
  6. Step 6: Final answer
    x = 11,593,556.15

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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.