Home / 21,743,986.56-30,006,720.68-11,954,597.28

Finding the Fourth Proportional to 21,743,986.56, 30,006,720.68 and 11,954,597.28

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Solution

The fourth proportional to 21,743,986.56, 30,006,720.68 and 11,954,597.28 is: 16,497,354.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743,986.56 : 30,006,720.68 = 11,954,597.28 : x
  2. Step 2: Convert to fraction form
    21,743,986.56/30,006,720.68 = 11,954,597.28/x
  3. Step 3: Cross multiply
    21,743,986.56x = 30,006,720.68 × 11,954,597.28
  4. Step 4: Simplify right side
    21,743,986.56x = 358,718,261,422,847.75
  5. Step 5: Solve for x
    x = 358,718,261,422,847.75/21,743,986.56
  6. Step 6: Final answer
    x = 16,497,354.82

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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.