Finding the Fourth Proportional to 11,582,017.61, 15,976,543.80 and 7,223,537.08
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Solution
The fourth proportional to 11,582,017.61, 15,976,543.80 and 7,223,537.08 is: 9,964,339.58
Step by Step Solution
- Step 1: Write the proportion equation
11,582,017.61 : 15,976,543.80 = 7,223,537.08 : x - Step 2: Convert to fraction form
11,582,017.61/15,976,543.80 = 7,223,537.08/x - Step 3: Cross multiply
11,582,017.61x = 15,976,543.80 × 7,223,537.08 - Step 4: Simplify right side
11,582,017.61x = 115,407,156,509,602.75 - Step 5: Solve for x
x = 115,407,156,509,602.75/11,582,017.61 - Step 6: Final answer
x = 9,964,339.58
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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.