Finding the Fourth Proportional to 19,741,117.87, 27,233,564.04 and 12,774,045.05
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Solution
The fourth proportional to 19,741,117.87, 27,233,564.04 and 12,774,045.05 is: 17,622,242.88
Step by Step Solution
- Step 1: Write the proportion equation
19,741,117.87 : 27,233,564.04 = 12,774,045.05 : x - Step 2: Convert to fraction form
19,741,117.87/27,233,564.04 = 12,774,045.05/x - Step 3: Cross multiply
19,741,117.87x = 27,233,564.04 × 12,774,045.05 - Step 4: Simplify right side
19,741,117.87x = 347,882,773,782,852.19 - Step 5: Solve for x
x = 347,882,773,782,852.19/19,741,117.87 - Step 6: Final answer
x = 17,622,242.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.