Home / 28,666,841.09-39,548,495.63-16,274,249.33

Finding the Fourth Proportional to 28,666,841.09, 39,548,495.63 and 16,274,249.33

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Solution

The fourth proportional to 28,666,841.09, 39,548,495.63 and 16,274,249.33 is: 22,451,796.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,666,841.09 : 39,548,495.63 = 16,274,249.33 : x
  2. Step 2: Convert to fraction form
    28,666,841.09/39,548,495.63 = 16,274,249.33/x
  3. Step 3: Cross multiply
    28,666,841.09x = 39,548,495.63 × 16,274,249.33
  4. Step 4: Simplify right side
    28,666,841.09x = 643,622,078,351,978.50
  5. Step 5: Solve for x
    x = 643,622,078,351,978.50/28,666,841.09
  6. Step 6: Final answer
    x = 22,451,796.36

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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.