Home / 28,515,077.25-42,755,534.39-9,075,906.42

Finding the Fourth Proportional to 28,515,077.25, 42,755,534.39 and 9,075,906.42

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Solution

The fourth proportional to 28,515,077.25, 42,755,534.39 and 9,075,906.42 is: 13,608,422.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515,077.25 : 42,755,534.39 = 9,075,906.42 : x
  2. Step 2: Convert to fraction form
    28,515,077.25/42,755,534.39 = 9,075,906.42/x
  3. Step 3: Cross multiply
    28,515,077.25x = 42,755,534.39 × 9,075,906.42
  4. Step 4: Simplify right side
    28,515,077.25x = 388,045,229,083,421.50
  5. Step 5: Solve for x
    x = 388,045,229,083,421.50/28,515,077.25
  6. Step 6: Final answer
    x = 13,608,422.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.