Finding the Fourth Proportional to 11,668,409.98, 16,102,663.77 and 6,441,406.09
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Solution
The fourth proportional to 11,668,409.98, 16,102,663.77 and 6,441,406.09 is: 8,889,282.83
Step by Step Solution
- Step 1: Write the proportion equation
11,668,409.98 : 16,102,663.77 = 6,441,406.09 : x - Step 2: Convert to fraction form
11,668,409.98/16,102,663.77 = 6,441,406.09/x - Step 3: Cross multiply
11,668,409.98x = 16,102,663.77 × 6,441,406.09 - Step 4: Simplify right side
11,668,409.98x = 103,723,796,473,300.36 - Step 5: Solve for x
x = 103,723,796,473,300.36/11,668,409.98 - Step 6: Final answer
x = 8,889,282.83
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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.