Finding the Fourth Proportional to 12,961,469.40, 19,428,624.64 and 6,039,240.99
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Solution
The fourth proportional to 12,961,469.40, 19,428,624.64 and 6,039,240.99 is: 9,052,534.30
Step by Step Solution
- Step 1: Write the proportion equation
12,961,469.40 : 19,428,624.64 = 6,039,240.99 : x - Step 2: Convert to fraction form
12,961,469.40/19,428,624.64 = 6,039,240.99/x - Step 3: Cross multiply
12,961,469.40x = 19,428,624.64 × 6,039,240.99 - Step 4: Simplify right side
12,961,469.40x = 117,334,146,305,212 - Step 5: Solve for x
x = 117,334,146,305,212/12,961,469.40 - Step 6: Final answer
x = 9,052,534.30
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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.