Home / 8,195,111.40-12,301,998.30-4,831,213.80

Finding the Fourth Proportional to 8,195,111.40, 12,301,998.30 and 4,831,213.80

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Solution

The fourth proportional to 8,195,111.40, 12,301,998.30 and 4,831,213.80 is: 7,252,321.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195,111.40 : 12,301,998.30 = 4,831,213.80 : x
  2. Step 2: Convert to fraction form
    8,195,111.40/12,301,998.30 = 4,831,213.80/x
  3. Step 3: Cross multiply
    8,195,111.40x = 12,301,998.30 × 4,831,213.80
  4. Step 4: Simplify right side
    8,195,111.40x = 59,433,583,954,536.54
  5. Step 5: Solve for x
    x = 59,433,583,954,536.54/8,195,111.40
  6. Step 6: Final answer
    x = 7,252,321.67

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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.