Finding the Fourth Proportional to 14,417,858.55, 19,906,277.21 and 8,539,382.98
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Solution
The fourth proportional to 14,417,858.55, 19,906,277.21 and 8,539,382.98 is: 11,790,053.58
Step by Step Solution
- Step 1: Write the proportion equation
14,417,858.55 : 19,906,277.21 = 8,539,382.98 : x - Step 2: Convert to fraction form
14,417,858.55/19,906,277.21 = 8,539,382.98/x - Step 3: Cross multiply
14,417,858.55x = 19,906,277.21 × 8,539,382.98 - Step 4: Simplify right side
14,417,858.55x = 169,987,324,816,444.47 - Step 5: Solve for x
x = 169,987,324,816,444.47/14,417,858.55 - Step 6: Final answer
x = 11,790,053.58
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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.