Finding the Fourth Proportional to 19,718,643.96, 27,207,063.18 and 11,453,796
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Solution
The fourth proportional to 19,718,643.96, 27,207,063.18 and 11,453,796 is: 15,803,528.48
Step by Step Solution
- Step 1: Write the proportion equation
19,718,643.96 : 27,207,063.18 = 11,453,796 : x - Step 2: Convert to fraction form
19,718,643.96/27,207,063.18 = 11,453,796/x - Step 3: Cross multiply
19,718,643.96x = 27,207,063.18 × 11,453,796 - Step 4: Simplify right side
19,718,643.96x = 311,624,151,422,831.25 - Step 5: Solve for x
x = 311,624,151,422,831.25/19,718,643.96 - Step 6: Final answer
x = 15,803,528.48
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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.