Finding the Fourth Proportional to 8,847,447.19, 12,206,557.26 and 7,213,044.68
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Solution
The fourth proportional to 8,847,447.19, 12,206,557.26 and 7,213,044.68 is: 9,951,621.19
Step by Step Solution
- Step 1: Write the proportion equation
8,847,447.19 : 12,206,557.26 = 7,213,044.68 : x - Step 2: Convert to fraction form
8,847,447.19/12,206,557.26 = 7,213,044.68/x - Step 3: Cross multiply
8,847,447.19x = 12,206,557.26 × 7,213,044.68 - Step 4: Simplify right side
8,847,447.19x = 88,046,442,979,045.14 - Step 5: Solve for x
x = 88,046,442,979,045.14/8,847,447.19 - Step 6: Final answer
x = 9,951,621.19
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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.