Home / 12,477,445.70-18,716,168.55-8,367,635.30

Finding the Fourth Proportional to 12,477,445.70, 18,716,168.55 and 8,367,635.30

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Solution

The fourth proportional to 12,477,445.70, 18,716,168.55 and 8,367,635.30 is: 12,551,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477,445.70 : 18,716,168.55 = 8,367,635.30 : x
  2. Step 2: Convert to fraction form
    12,477,445.70/18,716,168.55 = 8,367,635.30/x
  3. Step 3: Cross multiply
    12,477,445.70x = 18,716,168.55 × 8,367,635.30
  4. Step 4: Simplify right side
    12,477,445.70x = 156,610,072,639,729.81
  5. Step 5: Solve for x
    x = 156,610,072,639,729.81/12,477,445.70
  6. Step 6: Final answer
    x = 12,551,452.95

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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.