Finding the Fourth Proportional to 10,530,555.66, 14,531,887.75 and 5,884,379.07
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Solution
The fourth proportional to 10,530,555.66, 14,531,887.75 and 5,884,379.07 is: 8,120,287.17
Step by Step Solution
- Step 1: Write the proportion equation
10,530,555.66 : 14,531,887.75 = 5,884,379.07 : x - Step 2: Convert to fraction form
10,530,555.66/14,531,887.75 = 5,884,379.07/x - Step 3: Cross multiply
10,530,555.66x = 14,531,887.75 × 5,884,379.07 - Step 4: Simplify right side
10,530,555.66x = 85,511,136,069,399.06 - Step 5: Solve for x
x = 85,511,136,069,399.06/10,530,555.66 - Step 6: Final answer
x = 8,120,287.17
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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.