Finding the Fourth Proportional to 7,748,086.58, 11,606,120.99 and 4,543,562.96
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Solution
The fourth proportional to 7,748,086.58, 11,606,120.99 and 4,543,562.96 is: 6,805,956.66
Step by Step Solution
- Step 1: Write the proportion equation
7,748,086.58 : 11,606,120.99 = 4,543,562.96 : x - Step 2: Convert to fraction form
7,748,086.58/11,606,120.99 = 4,543,562.96/x - Step 3: Cross multiply
7,748,086.58x = 11,606,120.99 × 4,543,562.96 - Step 4: Simplify right side
7,748,086.58x = 52,733,141,439,442.53 - Step 5: Solve for x
x = 52,733,141,439,442.53/7,748,086.58 - Step 6: Final answer
x = 6,805,956.66
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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.