Home / 13,408,412.79-20,112,803.72-3,823,792.35

Finding the Fourth Proportional to 13,408,412.79, 20,112,803.72 and 3,823,792.35

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Solution

The fourth proportional to 13,408,412.79, 20,112,803.72 and 3,823,792.35 is: 5,735,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,412.79 : 20,112,803.72 = 3,823,792.35 : x
  2. Step 2: Convert to fraction form
    13,408,412.79/20,112,803.72 = 3,823,792.35/x
  3. Step 3: Cross multiply
    13,408,412.79x = 20,112,803.72 × 3,823,792.35
  4. Step 4: Simplify right side
    13,408,412.79x = 76,907,185,001,587.55
  5. Step 5: Solve for x
    x = 76,907,185,001,587.55/13,408,412.79
  6. Step 6: Final answer
    x = 5,735,741.15

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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.