Home / 13,470,074.70-20,207,736.45-5,381,673.90

Finding the Fourth Proportional to 13,470,074.70, 20,207,736.45 and 5,381,673.90

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Solution

The fourth proportional to 13,470,074.70, 20,207,736.45 and 5,381,673.90 is: 8,073,559.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470,074.70 : 20,207,736.45 = 5,381,673.90 : x
  2. Step 2: Convert to fraction form
    13,470,074.70/20,207,736.45 = 5,381,673.90/x
  3. Step 3: Cross multiply
    13,470,074.70x = 20,207,736.45 × 5,381,673.90
  4. Step 4: Simplify right side
    13,470,074.70x = 108,751,447,831,043.66
  5. Step 5: Solve for x
    x = 108,751,447,831,043.66/13,470,074.70
  6. Step 6: Final answer
    x = 8,073,559.37

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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.