Home / 18,117,185.60-25,002,404.16-10,383,720.32

Finding the Fourth Proportional to 18,117,185.60, 25,002,404.16 and 10,383,720.32

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Solution

The fourth proportional to 18,117,185.60, 25,002,404.16 and 10,383,720.32 is: 14,329,928.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117,185.60 : 25,002,404.16 = 10,383,720.32 : x
  2. Step 2: Convert to fraction form
    18,117,185.60/25,002,404.16 = 10,383,720.32/x
  3. Step 3: Cross multiply
    18,117,185.60x = 25,002,404.16 × 10,383,720.32
  4. Step 4: Simplify right side
    18,117,185.60x = 259,617,972,125,044.53
  5. Step 5: Solve for x
    x = 259,617,972,125,044.53/18,117,185.60
  6. Step 6: Final answer
    x = 14,329,928.38

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1.5x scale

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.