Finding the Fourth Proportional to 8,216,534.18, 11,335,252.97 and 4,951,493.53
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Solution
The fourth proportional to 8,216,534.18, 11,335,252.97 and 4,951,493.53 is: 6,830,913.19
Step by Step Solution
- Step 1: Write the proportion equation
8,216,534.18 : 11,335,252.97 = 4,951,493.53 : x - Step 2: Convert to fraction form
8,216,534.18/11,335,252.97 = 4,951,493.53/x - Step 3: Cross multiply
8,216,534.18x = 11,335,252.97 × 4,951,493.53 - Step 4: Simplify right side
8,216,534.18x = 56,126,431,717,110.82 - Step 5: Solve for x
x = 56,126,431,717,110.82/8,216,534.18 - Step 6: Final answer
x = 6,830,913.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.