Home / 8,603,119.73-11,866,257.61-5,661,999.61

Finding the Fourth Proportional to 8,603,119.73, 11,866,257.61 and 5,661,999.61

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Solution

The fourth proportional to 8,603,119.73, 11,866,257.61 and 5,661,999.61 is: 7,809,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603,119.73 : 11,866,257.61 = 5,661,999.61 : x
  2. Step 2: Convert to fraction form
    8,603,119.73/11,866,257.61 = 5,661,999.61/x
  3. Step 3: Cross multiply
    8,603,119.73x = 11,866,257.61 × 5,661,999.61
  4. Step 4: Simplify right side
    8,603,119.73x = 67,186,745,916,158.89
  5. Step 5: Solve for x
    x = 67,186,745,916,158.89/8,603,119.73
  6. Step 6: Final answer
    x = 7,809,579.32

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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.