Home / 12,133,083.80-18,199,625.70-9,422,734.70

Finding the Fourth Proportional to 12,133,083.80, 18,199,625.70 and 9,422,734.70

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Solution

The fourth proportional to 12,133,083.80, 18,199,625.70 and 9,422,734.70 is: 14,134,102.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133,083.80 : 18,199,625.70 = 9,422,734.70 : x
  2. Step 2: Convert to fraction form
    12,133,083.80/18,199,625.70 = 9,422,734.70/x
  3. Step 3: Cross multiply
    12,133,083.80x = 18,199,625.70 × 9,422,734.70
  4. Step 4: Simplify right side
    12,133,083.80x = 171,490,244,610,401.78
  5. Step 5: Solve for x
    x = 171,490,244,610,401.78/12,133,083.80
  6. Step 6: Final answer
    x = 14,134,102.05

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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.