Home / 13,868,938.89-20,802,810.54-3,633,572.97

Finding the Fourth Proportional to 13,868,938.89, 20,802,810.54 and 3,633,572.97

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Solution

The fourth proportional to 13,868,938.89, 20,802,810.54 and 3,633,572.97 is: 5,450,202.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868,938.89 : 20,802,810.54 = 3,633,572.97 : x
  2. Step 2: Convert to fraction form
    13,868,938.89/20,802,810.54 = 3,633,572.97/x
  3. Step 3: Cross multiply
    13,868,938.89x = 20,802,810.54 × 3,633,572.97
  4. Step 4: Simplify right side
    13,868,938.89x = 75,588,530,078,175.11
  5. Step 5: Solve for x
    x = 75,588,530,078,175.11/13,868,938.89
  6. Step 6: Final answer
    x = 5,450,202.84

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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.