Home / 13,787,553.70-20,681,330.55-11,661,789.70

Finding the Fourth Proportional to 13,787,553.70, 20,681,330.55 and 11,661,789.70

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Solution

The fourth proportional to 13,787,553.70, 20,681,330.55 and 11,661,789.70 is: 17,492,684.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787,553.70 : 20,681,330.55 = 11,661,789.70 : x
  2. Step 2: Convert to fraction form
    13,787,553.70/20,681,330.55 = 11,661,789.70/x
  3. Step 3: Cross multiply
    13,787,553.70x = 20,681,330.55 × 11,661,789.70
  4. Step 4: Simplify right side
    13,787,553.70x = 241,181,327,590,285.34
  5. Step 5: Solve for x
    x = 241,181,327,590,285.34/13,787,553.70
  6. Step 6: Final answer
    x = 17,492,684.55

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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.