Home / 12,082,474.80-18,144,707.40-6,413,770.80

Finding the Fourth Proportional to 12,082,474.80, 18,144,707.40 and 6,413,770.80

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Solution

The fourth proportional to 12,082,474.80, 18,144,707.40 and 6,413,770.80 is: 9,631,801.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,082,474.80 : 18,144,707.40 = 6,413,770.80 : x
  2. Step 2: Convert to fraction form
    12,082,474.80/18,144,707.40 = 6,413,770.80/x
  3. Step 3: Cross multiply
    12,082,474.80x = 18,144,707.40 × 6,413,770.80
  4. Step 4: Simplify right side
    12,082,474.80x = 116,375,994,496,663.91
  5. Step 5: Solve for x
    x = 116,375,994,496,663.91/12,082,474.80
  6. Step 6: Final answer
    x = 9,631,801.14

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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.