Home / 13,408,407.01-20,112,795.05-3,823,786.57

Finding the Fourth Proportional to 13,408,407.01, 20,112,795.05 and 3,823,786.57

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Solution

The fourth proportional to 13,408,407.01, 20,112,795.05 and 3,823,786.57 is: 5,735,732.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,407.01 : 20,112,795.05 = 3,823,786.57 : x
  2. Step 2: Convert to fraction form
    13,408,407.01/20,112,795.05 = 3,823,786.57/x
  3. Step 3: Cross multiply
    13,408,407.01x = 20,112,795.05 × 3,823,786.57
  4. Step 4: Simplify right side
    13,408,407.01x = 76,907,035,525,224.53
  5. Step 5: Solve for x
    x = 76,907,035,525,224.53/13,408,407.01
  6. Step 6: Final answer
    x = 5,735,732.47

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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.