Finding the Fourth Proportional to 10,168,509.66, 14,026,685.67 and 6,091,766.70
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Solution
The fourth proportional to 10,168,509.66, 14,026,685.67 and 6,091,766.70 is: 8,403,128.83
Step by Step Solution
- Step 1: Write the proportion equation
10,168,509.66 : 14,026,685.67 = 6,091,766.70 : x - Step 2: Convert to fraction form
10,168,509.66/14,026,685.67 = 6,091,766.70/x - Step 3: Cross multiply
10,168,509.66x = 14,026,685.67 × 6,091,766.70 - Step 4: Simplify right side
10,168,509.66x = 85,447,296,675,873.19 - Step 5: Solve for x
x = 85,447,296,675,873.19/10,168,509.66 - Step 6: Final answer
x = 8,403,128.83
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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.