Home / 13,081,176-19,621,938.96-4,105,728

Finding the Fourth Proportional to 13,081,176, 19,621,938.96 and 4,105,728

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Solution

The fourth proportional to 13,081,176, 19,621,938.96 and 4,105,728 is: 6,158,646.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081,176 : 19,621,938.96 = 4,105,728 : x
  2. Step 2: Convert to fraction form
    13,081,176/19,621,938.96 = 4,105,728/x
  3. Step 3: Cross multiply
    13,081,176x = 19,621,938.96 × 4,105,728
  4. Step 4: Simplify right side
    13,081,176x = 80,562,344,202,362.89
  5. Step 5: Solve for x
    x = 80,562,344,202,362.89/13,081,176
  6. Step 6: Final answer
    x = 6,158,646.91

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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.