Home / 13,408,033.05-18,503,015.60-7,296,505.29

Finding the Fourth Proportional to 13,408,033.05, 18,503,015.60 and 7,296,505.29

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Solution

The fourth proportional to 13,408,033.05, 18,503,015.60 and 7,296,505.29 is: 10,069,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,033.05 : 18,503,015.60 = 7,296,505.29 : x
  2. Step 2: Convert to fraction form
    13,408,033.05/18,503,015.60 = 7,296,505.29/x
  3. Step 3: Cross multiply
    13,408,033.05x = 18,503,015.60 × 7,296,505.29
  4. Step 4: Simplify right side
    13,408,033.05x = 135,007,351,224,593.78
  5. Step 5: Solve for x
    x = 135,007,351,224,593.78/13,408,033.05
  6. Step 6: Final answer
    x = 10,069,139.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.