Finding the Fourth Proportional to 7,726,382.60, 11,591,129.10 and 6,472,891.40
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Solution
The fourth proportional to 7,726,382.60, 11,591,129.10 and 6,472,891.40 is: 9,710,639.99
Step by Step Solution
- Step 1: Write the proportion equation
7,726,382.60 : 11,591,129.10 = 6,472,891.40 : x - Step 2: Convert to fraction form
7,726,382.60/11,591,129.10 = 6,472,891.40/x - Step 3: Cross multiply
7,726,382.60x = 11,591,129.10 × 6,472,891.40 - Step 4: Simplify right side
7,726,382.60x = 75,028,119,867,679.73 - Step 5: Solve for x
x = 75,028,119,867,679.73/7,726,382.60 - Step 6: Final answer
x = 9,710,639.99
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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.