Home / 16,819,781.72-23,221,381.64-11,028,665.84

Finding the Fourth Proportional to 16,819,781.72, 23,221,381.64 and 11,028,665.84

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Solution

The fourth proportional to 16,819,781.72, 23,221,381.64 and 11,028,665.84 is: 15,226,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819,781.72 : 23,221,381.64 = 11,028,665.84 : x
  2. Step 2: Convert to fraction form
    16,819,781.72/23,221,381.64 = 11,028,665.84/x
  3. Step 3: Cross multiply
    16,819,781.72x = 23,221,381.64 × 11,028,665.84
  4. Step 4: Simplify right side
    16,819,781.72x = 256,100,858,450,671.19
  5. Step 5: Solve for x
    x = 256,100,858,450,671.19/16,819,781.72
  6. Step 6: Final answer
    x = 15,226,170.16

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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.