Finding the Fourth Proportional to 8,534,365.68, 11,776,819.86 and 4,863,165.42
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Solution
The fourth proportional to 8,534,365.68, 11,776,819.86 and 4,863,165.42 is: 6,710,823.66
Step by Step Solution
- Step 1: Write the proportion equation
8,534,365.68 : 11,776,819.86 = 4,863,165.42 : x - Step 2: Convert to fraction form
8,534,365.68/11,776,819.86 = 4,863,165.42/x - Step 3: Cross multiply
8,534,365.68x = 11,776,819.86 × 4,863,165.42 - Step 4: Simplify right side
8,534,365.68x = 57,272,623,100,721.23 - Step 5: Solve for x
x = 57,272,623,100,721.23/8,534,365.68 - Step 6: Final answer
x = 6,710,823.66
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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.