Finding the Fourth Proportional to 27,746,381.81, 41,623,560.58 and 8,578,633.55
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Solution
The fourth proportional to 27,746,381.81, 41,623,560.58 and 8,578,633.55 is: 12,869,183.28
Step by Step Solution
- Step 1: Write the proportion equation
27,746,381.81 : 41,623,560.58 = 8,578,633.55 : x - Step 2: Convert to fraction form
27,746,381.81/41,623,560.58 = 8,578,633.55/x - Step 3: Cross multiply
27,746,381.81x = 41,623,560.58 × 8,578,633.55 - Step 4: Simplify right side
27,746,381.81x = 357,073,273,032,481.06 - Step 5: Solve for x
x = 357,073,273,032,481.06/27,746,381.81 - Step 6: Final answer
x = 12,869,183.28
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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.