Home / 12,456,245.48-18,684,368.21-5,724,659.48

Finding the Fourth Proportional to 12,456,245.48, 18,684,368.21 and 5,724,659.48

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Solution

The fourth proportional to 12,456,245.48, 18,684,368.21 and 5,724,659.48 is: 8,586,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,245.48 : 18,684,368.21 = 5,724,659.48 : x
  2. Step 2: Convert to fraction form
    12,456,245.48/18,684,368.21 = 5,724,659.48/x
  3. Step 3: Cross multiply
    12,456,245.48x = 18,684,368.21 × 5,724,659.48
  4. Step 4: Simplify right side
    12,456,245.48x = 106,961,645,522,076.92
  5. Step 5: Solve for x
    x = 106,961,645,522,076.92/12,456,245.48
  6. Step 6: Final answer
    x = 8,586,989.21

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Double scale
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Similar ratio
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1.5x scale

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.