Home / 16,483,159.80-22,720,544.96-12,992,839.02

Finding the Fourth Proportional to 16,483,159.80, 22,720,544.96 and 12,992,839.02

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Solution

The fourth proportional to 16,483,159.80, 22,720,544.96 and 12,992,839.02 is: 17,909,453.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,483,159.80 : 22,720,544.96 = 12,992,839.02 : x
  2. Step 2: Convert to fraction form
    16,483,159.80/22,720,544.96 = 12,992,839.02/x
  3. Step 3: Cross multiply
    16,483,159.80x = 22,720,544.96 × 12,992,839.02
  4. Step 4: Simplify right side
    16,483,159.80x = 295,204,383,046,988.12
  5. Step 5: Solve for x
    x = 295,204,383,046,988.12/16,483,159.80
  6. Step 6: Final answer
    x = 17,909,453.44

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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.