Finding the Fourth Proportional to 12,198,736.08, 18,298,235.34 and 3,679,146.36
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Solution
The fourth proportional to 12,198,736.08, 18,298,235.34 and 3,679,146.36 is: 5,518,759.12
Step by Step Solution
- Step 1: Write the proportion equation
12,198,736.08 : 18,298,235.34 = 3,679,146.36 : x - Step 2: Convert to fraction form
12,198,736.08/18,298,235.34 = 3,679,146.36/x - Step 3: Cross multiply
12,198,736.08x = 18,298,235.34 × 3,679,146.36 - Step 4: Simplify right side
12,198,736.08x = 67,321,885,945,584.36 - Step 5: Solve for x
x = 67,321,885,945,584.36/12,198,736.08 - Step 6: Final answer
x = 5,518,759.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.