Home / 12,876,741.67-17,769,899.43-7,075,897.08

Finding the Fourth Proportional to 12,876,741.67, 17,769,899.43 and 7,075,897.08

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Solution

The fourth proportional to 12,876,741.67, 17,769,899.43 and 7,075,897.08 is: 9,764,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876,741.67 : 17,769,899.43 = 7,075,897.08 : x
  2. Step 2: Convert to fraction form
    12,876,741.67/17,769,899.43 = 7,075,897.08/x
  3. Step 3: Cross multiply
    12,876,741.67x = 17,769,899.43 × 7,075,897.08
  4. Step 4: Simplify right side
    12,876,741.67x = 125,737,979,488,630.66
  5. Step 5: Solve for x
    x = 125,737,979,488,630.66/12,876,741.67
  6. Step 6: Final answer
    x = 9,764,735.73

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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.