Home / 13,783,928.71-20,675,888.20-3,686,287.27

Finding the Fourth Proportional to 13,783,928.71, 20,675,888.20 and 3,686,287.27

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Solution

The fourth proportional to 13,783,928.71, 20,675,888.20 and 3,686,287.27 is: 5,529,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783,928.71 : 20,675,888.20 = 3,686,287.27 : x
  2. Step 2: Convert to fraction form
    13,783,928.71/20,675,888.20 = 3,686,287.27/x
  3. Step 3: Cross multiply
    13,783,928.71x = 20,675,888.20 × 3,686,287.27
  4. Step 4: Simplify right side
    13,783,928.71x = 76,217,263,467,603.22
  5. Step 5: Solve for x
    x = 76,217,263,467,603.22/13,783,928.71
  6. Step 6: Final answer
    x = 5,529,429.60

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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.