Finding the Fourth Proportional to 12,534,783.36, 17,291,633.93 and 8,186,415.00
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Solution
The fourth proportional to 12,534,783.36, 17,291,633.93 and 8,186,415.00 is: 11,293,094.36
Step by Step Solution
- Step 1: Write the proportion equation
12,534,783.36 : 17,291,633.93 = 8,186,415.00 : x - Step 2: Convert to fraction form
12,534,783.36/17,291,633.93 = 8,186,415.00/x - Step 3: Cross multiply
12,534,783.36x = 17,291,633.93 × 8,186,415.00 - Step 4: Simplify right side
12,534,783.36x = 141,556,491,251,670.72 - Step 5: Solve for x
x = 141,556,491,251,670.72/12,534,783.36 - Step 6: Final answer
x = 11,293,094.36
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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.