Home / 14,663,903.42-20,236,406.82-8,137,955.54

Finding the Fourth Proportional to 14,663,903.42, 20,236,406.82 and 8,137,955.54

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Solution

The fourth proportional to 14,663,903.42, 20,236,406.82 and 8,137,955.54 is: 11,230,500.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663,903.42 : 20,236,406.82 = 8,137,955.54 : x
  2. Step 2: Convert to fraction form
    14,663,903.42/20,236,406.82 = 8,137,955.54/x
  3. Step 3: Cross multiply
    14,663,903.42x = 20,236,406.82 × 8,137,955.54
  4. Step 4: Simplify right side
    14,663,903.42x = 164,682,978,990,512.78
  5. Step 5: Solve for x
    x = 164,682,978,990,512.78/14,663,903.42
  6. Step 6: Final answer
    x = 11,230,500.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.