Finding the Fourth Proportional to 11,678,894.80, 16,117,335.72 and 6,717,328.16
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Solution
The fourth proportional to 11,678,894.80, 16,117,335.72 and 6,717,328.16 is: 9,270,177.95
Step by Step Solution
- Step 1: Write the proportion equation
11,678,894.80 : 16,117,335.72 = 6,717,328.16 : x - Step 2: Convert to fraction form
11,678,894.80/16,117,335.72 = 6,717,328.16/x - Step 3: Cross multiply
11,678,894.80x = 16,117,335.72 × 6,717,328.16 - Step 4: Simplify right side
11,678,894.80x = 108,265,433,015,543.20 - Step 5: Solve for x
x = 108,265,433,015,543.20/11,678,894.80 - Step 6: Final answer
x = 9,270,177.95
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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.