Finding the Fourth Proportional to 19,718,200.61, 27,206,453.49 and 11,453,352.03
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Solution
The fourth proportional to 19,718,200.61, 27,206,453.49 and 11,453,352.03 is: 15,802,917.09
Step by Step Solution
- Step 1: Write the proportion equation
19,718,200.61 : 27,206,453.49 = 11,453,352.03 : x - Step 2: Convert to fraction form
19,718,200.61/27,206,453.49 = 11,453,352.03/x - Step 3: Cross multiply
19,718,200.61x = 27,206,453.49 × 11,453,352.03 - Step 4: Simplify right side
19,718,200.61x = 311,605,089,308,792.06 - Step 5: Solve for x
x = 311,605,089,308,792.06/19,718,200.61 - Step 6: Final answer
x = 15,802,917.09
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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.