Finding the Fourth Proportional to 8,891,221.98, 12,269,809.35 and 4,816,831.26
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Solution
The fourth proportional to 8,891,221.98, 12,269,809.35 and 4,816,831.26 is: 6,647,185.43
Step by Step Solution
- Step 1: Write the proportion equation
8,891,221.98 : 12,269,809.35 = 4,816,831.26 : x - Step 2: Convert to fraction form
8,891,221.98/12,269,809.35 = 4,816,831.26/x - Step 3: Cross multiply
8,891,221.98x = 12,269,809.35 × 4,816,831.26 - Step 4: Simplify right side
8,891,221.98x = 59,101,601,231,320.27 - Step 5: Solve for x
x = 59,101,601,231,320.27/8,891,221.98 - Step 6: Final answer
x = 6,647,185.43
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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.