Home / 12,905,290.26-17,809,524.95-7,399,561.50

Finding the Fourth Proportional to 12,905,290.26, 17,809,524.95 and 7,399,561.50

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Solution

The fourth proportional to 12,905,290.26, 17,809,524.95 and 7,399,561.50 is: 10,211,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905,290.26 : 17,809,524.95 = 7,399,561.50 : x
  2. Step 2: Convert to fraction form
    12,905,290.26/17,809,524.95 = 7,399,561.50/x
  3. Step 3: Cross multiply
    12,905,290.26x = 17,809,524.95 × 7,399,561.50
  4. Step 4: Simplify right side
    12,905,290.26x = 131,782,675,116,311.62
  5. Step 5: Solve for x
    x = 131,782,675,116,311.62/12,905,290.26
  6. Step 6: Final answer
    x = 10,211,523.53

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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.