Home / 12,840,074.20-19,260,111.30-4,317,578.20

Finding the Fourth Proportional to 12,840,074.20, 19,260,111.30 and 4,317,578.20

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Solution

The fourth proportional to 12,840,074.20, 19,260,111.30 and 4,317,578.20 is: 6,476,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,840,074.20 : 19,260,111.30 = 4,317,578.20 : x
  2. Step 2: Convert to fraction form
    12,840,074.20/19,260,111.30 = 4,317,578.20/x
  3. Step 3: Cross multiply
    12,840,074.20x = 19,260,111.30 × 4,317,578.20
  4. Step 4: Simplify right side
    12,840,074.20x = 83,157,036,678,453.67
  5. Step 5: Solve for x
    x = 83,157,036,678,453.67/12,840,074.20
  6. Step 6: Final answer
    x = 6,476,367.30

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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.