Finding the Fourth Proportional to 8,242,849.17, 11,361,992.92 and 6,497,674.40
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Solution
The fourth proportional to 8,242,849.17, 11,361,992.92 and 6,497,674.40 is: 8,956,433.51
Step by Step Solution
- Step 1: Write the proportion equation
8,242,849.17 : 11,361,992.92 = 6,497,674.40 : x - Step 2: Convert to fraction form
8,242,849.17/11,361,992.92 = 6,497,674.40/x - Step 3: Cross multiply
8,242,849.17x = 11,361,992.92 × 6,497,674.40 - Step 4: Simplify right side
8,242,849.17x = 73,826,530,541,426.05 - Step 5: Solve for x
x = 73,826,530,541,426.05/8,242,849.17 - Step 6: Final answer
x = 8,956,433.51
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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.