Home / 13,204,828.80-19,795,723.20-5,123,318.40

Finding the Fourth Proportional to 13,204,828.80, 19,795,723.20 and 5,123,318.40

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Solution

The fourth proportional to 13,204,828.80, 19,795,723.20 and 5,123,318.40 is: 7,680,507.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204,828.80 : 19,795,723.20 = 5,123,318.40 : x
  2. Step 2: Convert to fraction form
    13,204,828.80/19,795,723.20 = 5,123,318.40/x
  3. Step 3: Cross multiply
    13,204,828.80x = 19,795,723.20 × 5,123,318.40
  4. Step 4: Simplify right side
    13,204,828.80x = 101,419,792,911,866.89
  5. Step 5: Solve for x
    x = 101,419,792,911,866.89/13,204,828.80
  6. Step 6: Final answer
    x = 7,680,507.98

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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.