Home / 28,858,554.07-39,824,843.00-15,627,753.79

Finding the Fourth Proportional to 28,858,554.07, 39,824,843.00 and 15,627,753.79

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Solution

The fourth proportional to 28,858,554.07, 39,824,843.00 and 15,627,753.79 is: 21,566,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858,554.07 : 39,824,843.00 = 15,627,753.79 : x
  2. Step 2: Convert to fraction form
    28,858,554.07/39,824,843.00 = 15,627,753.79/x
  3. Step 3: Cross multiply
    28,858,554.07x = 39,824,843.00 × 15,627,753.79
  4. Step 4: Simplify right side
    28,858,554.07x = 622,372,840,852,142
  5. Step 5: Solve for x
    x = 622,372,840,852,142/28,858,554.07
  6. Step 6: Final answer
    x = 21,566,321.01

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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.