Finding the Fourth Proportional to 10,661,967.09, 14,713,459.11 and 5,767,174.08
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Solution
The fourth proportional to 10,661,967.09, 14,713,459.11 and 5,767,174.08 is: 7,958,670.22
Step by Step Solution
- Step 1: Write the proportion equation
10,661,967.09 : 14,713,459.11 = 5,767,174.08 : x - Step 2: Convert to fraction form
10,661,967.09/14,713,459.11 = 5,767,174.08/x - Step 3: Cross multiply
10,661,967.09x = 14,713,459.11 × 5,767,174.08 - Step 4: Simplify right side
10,661,967.09x = 84,855,080,006,331.86 - Step 5: Solve for x
x = 84,855,080,006,331.86/10,661,967.09 - Step 6: Final answer
x = 7,958,670.22
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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.