Home / 12,379,442.49-17,083,692.53-7,735,923.90

Finding the Fourth Proportional to 12,379,442.49, 17,083,692.53 and 7,735,923.90

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Solution

The fourth proportional to 12,379,442.49, 17,083,692.53 and 7,735,923.90 is: 10,675,613.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379,442.49 : 17,083,692.53 = 7,735,923.90 : x
  2. Step 2: Convert to fraction form
    12,379,442.49/17,083,692.53 = 7,735,923.90/x
  3. Step 3: Cross multiply
    12,379,442.49x = 17,083,692.53 × 7,735,923.90
  4. Step 4: Simplify right side
    12,379,442.49x = 132,158,145,304,398.84
  5. Step 5: Solve for x
    x = 132,158,145,304,398.84/12,379,442.49
  6. Step 6: Final answer
    x = 10,675,613.66

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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.