Finding the Fourth Proportional to 11,802,699.77, 16,287,706.88 and 6,646,098.23
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Solution
The fourth proportional to 11,802,699.77, 16,287,706.88 and 6,646,098.23 is: 9,171,604.96
Step by Step Solution
- Step 1: Write the proportion equation
11,802,699.77 : 16,287,706.88 = 6,646,098.23 : x - Step 2: Convert to fraction form
11,802,699.77/16,287,706.88 = 6,646,098.23/x - Step 3: Cross multiply
11,802,699.77x = 16,287,706.88 × 6,646,098.23 - Step 4: Simplify right side
11,802,699.77x = 108,249,699,784,488.28 - Step 5: Solve for x
x = 108,249,699,784,488.28/11,802,699.77 - Step 6: Final answer
x = 9,171,604.96
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1.5x scale
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.