Finding the Fourth Proportional to 19,663,542.53, 27,137,304.28 and 10,844,718.67
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Solution
The fourth proportional to 19,663,542.53, 27,137,304.28 and 10,844,718.67 is: 14,966,602.78
Step by Step Solution
- Step 1: Write the proportion equation
19,663,542.53 : 27,137,304.28 = 10,844,718.67 : x - Step 2: Convert to fraction form
19,663,542.53/27,137,304.28 = 10,844,718.67/x - Step 3: Cross multiply
19,663,542.53x = 27,137,304.28 × 10,844,718.67 - Step 4: Simplify right side
19,663,542.53x = 294,296,430,378,786.94 - Step 5: Solve for x
x = 294,296,430,378,786.94/19,663,542.53 - Step 6: Final answer
x = 14,966,602.78
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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.