Home / 13,397,653.80-20,096,480.70-13,285,679.40

Finding the Fourth Proportional to 13,397,653.80, 20,096,480.70 and 13,285,679.40

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Solution

The fourth proportional to 13,397,653.80, 20,096,480.70 and 13,285,679.40 is: 19,928,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397,653.80 : 20,096,480.70 = 13,285,679.40 : x
  2. Step 2: Convert to fraction form
    13,397,653.80/20,096,480.70 = 13,285,679.40/x
  3. Step 3: Cross multiply
    13,397,653.80x = 20,096,480.70 × 13,285,679.40
  4. Step 4: Simplify right side
    13,397,653.80x = 266,995,399,648,487.56
  5. Step 5: Solve for x
    x = 266,995,399,648,487.56/13,397,653.80
  6. Step 6: Final answer
    x = 19,928,519.10

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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.