Finding the Fourth Proportional to 14,013,514.06, 19,345,159.47 and 8,211,490.54
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Solution
The fourth proportional to 14,013,514.06, 19,345,159.47 and 8,211,490.54 is: 11,335,671.65
Step by Step Solution
- Step 1: Write the proportion equation
14,013,514.06 : 19,345,159.47 = 8,211,490.54 : x - Step 2: Convert to fraction form
14,013,514.06/19,345,159.47 = 8,211,490.54/x - Step 3: Cross multiply
14,013,514.06x = 19,345,159.47 × 8,211,490.54 - Step 4: Simplify right side
14,013,514.06x = 158,852,593,982,696.41 - Step 5: Solve for x
x = 158,852,593,982,696.41/14,013,514.06 - Step 6: Final answer
x = 11,335,671.65
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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.