Home / 19,669,513.70-29,504,270.55-18,409,801.70

Finding the Fourth Proportional to 19,669,513.70, 29,504,270.55 and 18,409,801.70

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Solution

The fourth proportional to 19,669,513.70, 29,504,270.55 and 18,409,801.70 is: 27,614,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669,513.70 : 29,504,270.55 = 18,409,801.70 : x
  2. Step 2: Convert to fraction form
    19,669,513.70/29,504,270.55 = 18,409,801.70/x
  3. Step 3: Cross multiply
    19,669,513.70x = 29,504,270.55 × 18,409,801.70
  4. Step 4: Simplify right side
    19,669,513.70x = 543,167,770,128,649.94
  5. Step 5: Solve for x
    x = 543,167,770,128,649.94/19,669,513.70
  6. Step 6: Final answer
    x = 27,614,702.55

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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.