Home / 12,371,625.93-18,548,107.16-8,112,866.25

Finding the Fourth Proportional to 12,371,625.93, 18,548,107.16 and 8,112,866.25

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Solution

The fourth proportional to 12,371,625.93, 18,548,107.16 and 8,112,866.25 is: 12,163,179.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371,625.93 : 18,548,107.16 = 8,112,866.25 : x
  2. Step 2: Convert to fraction form
    12,371,625.93/18,548,107.16 = 8,112,866.25/x
  3. Step 3: Cross multiply
    12,371,625.93x = 18,548,107.16 × 8,112,866.25
  4. Step 4: Simplify right side
    12,371,625.93x = 150,478,312,539,183.03
  5. Step 5: Solve for x
    x = 150,478,312,539,183.03/12,371,625.93
  6. Step 6: Final answer
    x = 12,163,179.96

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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.