Home / 23,167,896-31,858,322.40-20,106,795.84

Finding the Fourth Proportional to 23,167,896, 31,858,322.40 and 20,106,795.84

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Solution

The fourth proportional to 23,167,896, 31,858,322.40 and 20,106,795.84 is: 27,648,983.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,167,896 : 31,858,322.40 = 20,106,795.84 : x
  2. Step 2: Convert to fraction form
    23,167,896/31,858,322.40 = 20,106,795.84/x
  3. Step 3: Cross multiply
    23,167,896x = 31,858,322.40 × 20,106,795.84
  4. Step 4: Simplify right side
    23,167,896x = 640,568,784,301,698.75
  5. Step 5: Solve for x
    x = 640,568,784,301,698.75/23,167,896
  6. Step 6: Final answer
    x = 27,648,983.93

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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.