Home / 13,831,659.10-20,733,491.85-8,148,958.30

Finding the Fourth Proportional to 13,831,659.10, 20,733,491.85 and 8,148,958.30

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Solution

The fourth proportional to 13,831,659.10, 20,733,491.85 and 8,148,958.30 is: 12,215,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,659.10 : 20,733,491.85 = 8,148,958.30 : x
  2. Step 2: Convert to fraction form
    13,831,659.10/20,733,491.85 = 8,148,958.30/x
  3. Step 3: Cross multiply
    13,831,659.10x = 20,733,491.85 × 8,148,958.30
  4. Step 4: Simplify right side
    13,831,659.10x = 168,956,360,499,039.88
  5. Step 5: Solve for x
    x = 168,956,360,499,039.88/13,831,659.10
  6. Step 6: Final answer
    x = 12,215,191.20

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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.