Home / 13,526,145.74-20,287,249.70-3,938,950.10

Finding the Fourth Proportional to 13,526,145.74, 20,287,249.70 and 3,938,950.10

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Solution

The fourth proportional to 13,526,145.74, 20,287,249.70 and 3,938,950.10 is: 5,907,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526,145.74 : 20,287,249.70 = 3,938,950.10 : x
  2. Step 2: Convert to fraction form
    13,526,145.74/20,287,249.70 = 3,938,950.10/x
  3. Step 3: Cross multiply
    13,526,145.74x = 20,287,249.70 × 3,938,950.10
  4. Step 4: Simplify right side
    13,526,145.74x = 79,910,464,113,408.97
  5. Step 5: Solve for x
    x = 79,910,464,113,408.97/13,526,145.74
  6. Step 6: Final answer
    x = 5,907,851.78

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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.