Finding the Fourth Proportional to 19,718,601.93, 27,207,005.36 and 11,453,753.97
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Solution
The fourth proportional to 19,718,601.93, 27,207,005.36 and 11,453,753.97 is: 15,803,470.59
Step by Step Solution
- Step 1: Write the proportion equation
19,718,601.93 : 27,207,005.36 = 11,453,753.97 : x - Step 2: Convert to fraction form
19,718,601.93/27,207,005.36 = 11,453,753.97/x - Step 3: Cross multiply
19,718,601.93x = 27,207,005.36 × 11,453,753.97 - Step 4: Simplify right side
19,718,601.93x = 311,622,345,596,642.56 - Step 5: Solve for x
x = 311,622,345,596,642.56/19,718,601.93 - Step 6: Final answer
x = 15,803,470.59
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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.