Home / 12,672,046.20-19,008,069.30-12,392,110.20

Finding the Fourth Proportional to 12,672,046.20, 19,008,069.30 and 12,392,110.20

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Solution

The fourth proportional to 12,672,046.20, 19,008,069.30 and 12,392,110.20 is: 18,588,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,046.20 : 19,008,069.30 = 12,392,110.20 : x
  2. Step 2: Convert to fraction form
    12,672,046.20/19,008,069.30 = 12,392,110.20/x
  3. Step 3: Cross multiply
    12,672,046.20x = 19,008,069.30 × 12,392,110.20
  4. Step 4: Simplify right side
    12,672,046.20x = 235,550,089,454,836.84
  5. Step 5: Solve for x
    x = 235,550,089,454,836.84/12,672,046.20
  6. Step 6: Final answer
    x = 18,588,165.30

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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.