Finding the Fourth Proportional to 16,382,316.18, 22,612,093.47 and 9,509,012.58
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Solution
The fourth proportional to 16,382,316.18, 22,612,093.47 and 9,509,012.58 is: 13,125,047.70
Step by Step Solution
- Step 1: Write the proportion equation
16,382,316.18 : 22,612,093.47 = 9,509,012.58 : x - Step 2: Convert to fraction form
16,382,316.18/22,612,093.47 = 9,509,012.58/x - Step 3: Cross multiply
16,382,316.18x = 22,612,093.47 × 9,509,012.58 - Step 4: Simplify right side
16,382,316.18x = 215,018,681,266,365.84 - Step 5: Solve for x
x = 215,018,681,266,365.84/16,382,316.18 - Step 6: Final answer
x = 13,125,047.70
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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.