Home / 13,807,321.85-20,710,971.83-3,709,942.85

Finding the Fourth Proportional to 13,807,321.85, 20,710,971.83 and 3,709,942.85

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Solution

The fourth proportional to 13,807,321.85, 20,710,971.83 and 3,709,942.85 is: 5,564,911.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807,321.85 : 20,710,971.83 = 3,709,942.85 : x
  2. Step 2: Convert to fraction form
    13,807,321.85/20,710,971.83 = 3,709,942.85/x
  3. Step 3: Cross multiply
    13,807,321.85x = 20,710,971.83 × 3,709,942.85
  4. Step 4: Simplify right side
    13,807,321.85x = 76,836,521,857,259.91
  5. Step 5: Solve for x
    x = 76,836,521,857,259.91/13,807,321.85
  6. Step 6: Final answer
    x = 5,564,911.33

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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.