Finding the Fourth Proportional to 10,628,129.44, 15,950,695.92 and 5,582,415.52
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Solution
The fourth proportional to 10,628,129.44, 15,950,695.92 and 5,582,415.52 is: 8,378,088.82
Step by Step Solution
- Step 1: Write the proportion equation
10,628,129.44 : 15,950,695.92 = 5,582,415.52 : x - Step 2: Convert to fraction form
10,628,129.44/15,950,695.92 = 5,582,415.52/x - Step 3: Cross multiply
10,628,129.44x = 15,950,695.92 × 5,582,415.52 - Step 4: Simplify right side
10,628,129.44x = 89,043,412,458,608.67 - Step 5: Solve for x
x = 89,043,412,458,608.67/10,628,129.44 - Step 6: Final answer
x = 8,378,088.82
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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.