Home / 13,211,451.72-19,817,207.88-3,626,961.48

Finding the Fourth Proportional to 13,211,451.72, 19,817,207.88 and 3,626,961.48

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Solution

The fourth proportional to 13,211,451.72, 19,817,207.88 and 3,626,961.48 is: 5,440,450.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211,451.72 : 19,817,207.88 = 3,626,961.48 : x
  2. Step 2: Convert to fraction form
    13,211,451.72/19,817,207.88 = 3,626,961.48/x
  3. Step 3: Cross multiply
    13,211,451.72x = 19,817,207.88 × 3,626,961.48
  4. Step 4: Simplify right side
    13,211,451.72x = 71,876,249,621,912.45
  5. Step 5: Solve for x
    x = 71,876,249,621,912.45/13,211,451.72
  6. Step 6: Final answer
    x = 5,440,450.54

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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.