Home / 14,907,355.20-20,571,673.68-8,381,260.80

Finding the Fourth Proportional to 14,907,355.20, 20,571,673.68 and 8,381,260.80

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Solution

The fourth proportional to 14,907,355.20, 20,571,673.68 and 8,381,260.80 is: 11,565,872.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,907,355.20 : 20,571,673.68 = 8,381,260.80 : x
  2. Step 2: Convert to fraction form
    14,907,355.20/20,571,673.68 = 8,381,260.80/x
  3. Step 3: Cross multiply
    14,907,355.20x = 20,571,673.68 × 8,381,260.80
  4. Step 4: Simplify right side
    14,907,355.20x = 172,416,562,204,575.75
  5. Step 5: Solve for x
    x = 172,416,562,204,575.75/14,907,355.20
  6. Step 6: Final answer
    x = 11,565,872.01

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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.