Home / 13,204,839.80-19,795,739.70-5,123,329.40

Finding the Fourth Proportional to 13,204,839.80, 19,795,739.70 and 5,123,329.40

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Solution

The fourth proportional to 13,204,839.80, 19,795,739.70 and 5,123,329.40 is: 7,680,524.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204,839.80 : 19,795,739.70 = 5,123,329.40 : x
  2. Step 2: Convert to fraction form
    13,204,839.80/19,795,739.70 = 5,123,329.40/x
  3. Step 3: Cross multiply
    13,204,839.80x = 19,795,739.70 × 5,123,329.40
  4. Step 4: Simplify right side
    13,204,839.80x = 101,420,095,199,757.19
  5. Step 5: Solve for x
    x = 101,420,095,199,757.19/13,204,839.80
  6. Step 6: Final answer
    x = 7,680,524.47

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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.