Finding the Fourth Proportional to 8,917,731.68, 12,310,227.60 and 6,021,042.08
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Solution
The fourth proportional to 8,917,731.68, 12,310,227.60 and 6,021,042.08 is: 8,311,575.30
Step by Step Solution
- Step 1: Write the proportion equation
8,917,731.68 : 12,310,227.60 = 6,021,042.08 : x - Step 2: Convert to fraction form
8,917,731.68/12,310,227.60 = 6,021,042.08/x - Step 3: Cross multiply
8,917,731.68x = 12,310,227.60 × 6,021,042.08 - Step 4: Simplify right side
8,917,731.68x = 74,120,398,393,977.41 - Step 5: Solve for x
x = 74,120,398,393,977.41/8,917,731.68 - Step 6: Final answer
x = 8,311,575.30
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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.