Finding the Fourth Proportional to 9,727,117.12, 13,424,116.26 and 5,376,109.96
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Solution
The fourth proportional to 9,727,117.12, 13,424,116.26 and 5,376,109.96 is: 7,419,415.66
Step by Step Solution
- Step 1: Write the proportion equation
9,727,117.12 : 13,424,116.26 = 5,376,109.96 : x - Step 2: Convert to fraction form
9,727,117.12/13,424,116.26 = 5,376,109.96/x - Step 3: Cross multiply
9,727,117.12x = 13,424,116.26 × 5,376,109.96 - Step 4: Simplify right side
9,727,117.12x = 72,169,525,129,583.95 - Step 5: Solve for x
x = 72,169,525,129,583.95/9,727,117.12 - Step 6: Final answer
x = 7,419,415.66
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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.