Home / 28,773,220.39-39,706,579.52-15,720,198.37

Finding the Fourth Proportional to 28,773,220.39, 39,706,579.52 and 15,720,198.37

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Solution

The fourth proportional to 28,773,220.39, 39,706,579.52 and 15,720,198.37 is: 21,693,619.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,773,220.39 : 39,706,579.52 = 15,720,198.37 : x
  2. Step 2: Convert to fraction form
    28,773,220.39/39,706,579.52 = 15,720,198.37/x
  3. Step 3: Cross multiply
    28,773,220.39x = 39,706,579.52 × 15,720,198.37
  4. Step 4: Simplify right side
    28,773,220.39x = 624,195,306,529,662.62
  5. Step 5: Solve for x
    x = 624,195,306,529,662.62/28,773,220.39
  6. Step 6: Final answer
    x = 21,693,619.91

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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.