Finding the Fourth Proportional to 8,983,837.09, 12,397,695.19 and 5,116,718.08
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Solution
The fourth proportional to 8,983,837.09, 12,397,695.19 and 5,116,718.08 is: 7,061,070.95
Step by Step Solution
- Step 1: Write the proportion equation
8,983,837.09 : 12,397,695.19 = 5,116,718.08 : x - Step 2: Convert to fraction form
8,983,837.09/12,397,695.19 = 5,116,718.08/x - Step 3: Cross multiply
8,983,837.09x = 12,397,695.19 × 5,116,718.08 - Step 4: Simplify right side
8,983,837.09x = 63,435,511,128,667.05 - Step 5: Solve for x
x = 63,435,511,128,667.05/8,983,837.09 - Step 6: Final answer
x = 7,061,070.95
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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.