Home / 20,286,010.15-27,994,717.94-10,993,580.17

Finding the Fourth Proportional to 20,286,010.15, 27,994,717.94 and 10,993,580.17

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Solution

The fourth proportional to 20,286,010.15, 27,994,717.94 and 10,993,580.17 is: 15,171,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286,010.15 : 27,994,717.94 = 10,993,580.17 : x
  2. Step 2: Convert to fraction form
    20,286,010.15/27,994,717.94 = 10,993,580.17/x
  3. Step 3: Cross multiply
    20,286,010.15x = 27,994,717.94 × 10,993,580.17
  4. Step 4: Simplify right side
    20,286,010.15x = 307,762,175,884,972.56
  5. Step 5: Solve for x
    x = 307,762,175,884,972.56/20,286,010.15
  6. Step 6: Final answer
    x = 15,171,153.60

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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.