Home / 13,529,668.61-20,292,342.55-3,942,804.67

Finding the Fourth Proportional to 13,529,668.61, 20,292,342.55 and 3,942,804.67

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Solution

The fourth proportional to 13,529,668.61, 20,292,342.55 and 3,942,804.67 is: 5,913,577.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529,668.61 : 20,292,342.55 = 3,942,804.67 : x
  2. Step 2: Convert to fraction form
    13,529,668.61/20,292,342.55 = 3,942,804.67/x
  3. Step 3: Cross multiply
    13,529,668.61x = 20,292,342.55 × 3,942,804.67
  4. Step 4: Simplify right side
    13,529,668.61x = 80,008,742,910,791.84
  5. Step 5: Solve for x
    x = 80,008,742,910,791.84/13,529,668.61
  6. Step 6: Final answer
    x = 5,913,577.43

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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.