Finding the Fourth Proportional to 10,251,664.70, 15,366,999.45 and 5,989,639.10
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Solution
The fourth proportional to 10,251,664.70, 15,366,999.45 and 5,989,639.10 is: 8,978,325.32
Step by Step Solution
- Step 1: Write the proportion equation
10,251,664.70 : 15,366,999.45 = 5,989,639.10 : x - Step 2: Convert to fraction form
10,251,664.70/15,366,999.45 = 5,989,639.10/x - Step 3: Cross multiply
10,251,664.70x = 15,366,999.45 × 5,989,639.10 - Step 4: Simplify right side
10,251,664.70x = 92,042,780,755,398.48 - Step 5: Solve for x
x = 92,042,780,755,398.48/10,251,664.70 - Step 6: Final answer
x = 8,978,325.32
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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.