Home / 21,906,758.80-30,221,269.32-14,174,321.68

Finding the Fourth Proportional to 21,906,758.80, 30,221,269.32 and 14,174,321.68

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Solution

The fourth proportional to 21,906,758.80, 30,221,269.32 and 14,174,321.68 is: 19,554,056.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,906,758.80 : 30,221,269.32 = 14,174,321.68 : x
  2. Step 2: Convert to fraction form
    21,906,758.80/30,221,269.32 = 14,174,321.68/x
  3. Step 3: Cross multiply
    21,906,758.80x = 30,221,269.32 × 14,174,321.68
  4. Step 4: Simplify right side
    21,906,758.80x = 428,365,992,919,594.88
  5. Step 5: Solve for x
    x = 428,365,992,919,594.88/21,906,758.80
  6. Step 6: Final answer
    x = 19,554,056.21

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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.