Home / 8,188,753.73-12,284,705.16-3,139,670.57

Finding the Fourth Proportional to 8,188,753.73, 12,284,705.16 and 3,139,670.57

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Solution

The fourth proportional to 8,188,753.73, 12,284,705.16 and 3,139,670.57 is: 4,710,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188,753.73 : 12,284,705.16 = 3,139,670.57 : x
  2. Step 2: Convert to fraction form
    8,188,753.73/12,284,705.16 = 3,139,670.57/x
  3. Step 3: Cross multiply
    8,188,753.73x = 12,284,705.16 × 3,139,670.57
  4. Step 4: Simplify right side
    8,188,753.73x = 38,569,927,190,555.62
  5. Step 5: Solve for x
    x = 38,569,927,190,555.62/8,188,753.73
  6. Step 6: Final answer
    x = 4,710,109.56

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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.