Finding the Fourth Proportional to 11,554,612.84, 15,945,170.86 and 6,397,863.67
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Solution
The fourth proportional to 11,554,612.84, 15,945,170.86 and 6,397,863.67 is: 8,828,943.97
Step by Step Solution
- Step 1: Write the proportion equation
11,554,612.84 : 15,945,170.86 = 6,397,863.67 : x - Step 2: Convert to fraction form
11,554,612.84/15,945,170.86 = 6,397,863.67/x - Step 3: Cross multiply
11,554,612.84x = 15,945,170.86 × 6,397,863.67 - Step 4: Simplify right side
11,554,612.84x = 102,015,029,357,136.66 - Step 5: Solve for x
x = 102,015,029,357,136.66/11,554,612.84 - Step 6: Final answer
x = 8,828,943.97
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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.