Home / 8,122,246.70-12,181,999.50-3,804,758.78

Finding the Fourth Proportional to 8,122,246.70, 12,181,999.50 and 3,804,758.78

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Solution

The fourth proportional to 8,122,246.70, 12,181,999.50 and 3,804,758.78 is: 5,706,496.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,246.70 : 12,181,999.50 = 3,804,758.78 : x
  2. Step 2: Convert to fraction form
    8,122,246.70/12,181,999.50 = 3,804,758.78/x
  3. Step 3: Cross multiply
    8,122,246.70x = 12,181,999.50 × 3,804,758.78
  4. Step 4: Simplify right side
    8,122,246.70x = 46,349,569,494,670.61
  5. Step 5: Solve for x
    x = 46,349,569,494,670.61/8,122,246.70
  6. Step 6: Final answer
    x = 5,706,496.15

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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.