Finding the Fourth Proportional to 19,718,606.07, 27,211,687.91 and 11,016,778.68
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Solution
The fourth proportional to 19,718,606.07, 27,211,687.91 and 11,016,778.68 is: 15,203,161.02
Step by Step Solution
- Step 1: Write the proportion equation
19,718,606.07 : 27,211,687.91 = 11,016,778.68 : x - Step 2: Convert to fraction form
19,718,606.07/27,211,687.91 = 11,016,778.68/x - Step 3: Cross multiply
19,718,606.07x = 27,211,687.91 × 11,016,778.68 - Step 4: Simplify right side
19,718,606.07x = 299,785,143,158,617.88 - Step 5: Solve for x
x = 299,785,143,158,617.88/19,718,606.07 - Step 6: Final answer
x = 15,203,161.02
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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.