Home / 13,928,546.81-20,873,358.64-11,868,450.22

Finding the Fourth Proportional to 13,928,546.81, 20,873,358.64 and 11,868,450.22

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Solution

The fourth proportional to 13,928,546.81, 20,873,358.64 and 11,868,450.22 is: 17,786,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928,546.81 : 20,873,358.64 = 11,868,450.22 : x
  2. Step 2: Convert to fraction form
    13,928,546.81/20,873,358.64 = 11,868,450.22/x
  3. Step 3: Cross multiply
    13,928,546.81x = 20,873,358.64 × 11,868,450.22
  4. Step 4: Simplify right side
    13,928,546.81x = 247,734,417,779,337.88
  5. Step 5: Solve for x
    x = 247,734,417,779,337.88/13,928,546.81
  6. Step 6: Final answer
    x = 17,786,092.21

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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.