Finding the Fourth Proportional to 9,821,116.35, 14,706,520.79 and 8,197,849.08
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Solution
The fourth proportional to 9,821,116.35, 14,706,520.79 and 8,197,849.08 is: 12,275,777.38
Step by Step Solution
- Step 1: Write the proportion equation
9,821,116.35 : 14,706,520.79 = 8,197,849.08 : x - Step 2: Convert to fraction form
9,821,116.35/14,706,520.79 = 8,197,849.08/x - Step 3: Cross multiply
9,821,116.35x = 14,706,520.79 × 8,197,849.08 - Step 4: Simplify right side
9,821,116.35x = 120,561,837,887,313.12 - Step 5: Solve for x
x = 120,561,837,887,313.12/9,821,116.35 - Step 6: Final answer
x = 12,275,777.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.