Home / 13,286,564.81-19,929,847.44-3,189,185.81

Finding the Fourth Proportional to 13,286,564.81, 19,929,847.44 and 3,189,185.81

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Solution

The fourth proportional to 13,286,564.81, 19,929,847.44 and 3,189,185.81 is: 4,783,778.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,564.81 : 19,929,847.44 = 3,189,185.81 : x
  2. Step 2: Convert to fraction form
    13,286,564.81/19,929,847.44 = 3,189,185.81/x
  3. Step 3: Cross multiply
    13,286,564.81x = 19,929,847.44 × 3,189,185.81
  4. Step 4: Simplify right side
    13,286,564.81x = 63,559,986,551,463.59
  5. Step 5: Solve for x
    x = 63,559,986,551,463.59/13,286,564.81
  6. Step 6: Final answer
    x = 4,783,778.76

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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.