Finding the Fourth Proportional to 10,478,218.35, 14,452,146.86 and 9,252,361.11
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Solution
The fourth proportional to 10,478,218.35, 14,452,146.86 and 9,252,361.11 is: 12,761,375.75
Step by Step Solution
- Step 1: Write the proportion equation
10,478,218.35 : 14,452,146.86 = 9,252,361.11 : x - Step 2: Convert to fraction form
10,478,218.35/14,452,146.86 = 9,252,361.11/x - Step 3: Cross multiply
10,478,218.35x = 14,452,146.86 × 9,252,361.11 - Step 4: Simplify right side
10,478,218.35x = 133,716,481,517,210.80 - Step 5: Solve for x
x = 133,716,481,517,210.80/10,478,218.35 - Step 6: Final answer
x = 12,761,375.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.