Finding the Fourth Proportional to 51,082,570.91, 70,492,964.18 and 27,877,863.94
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Solution
The fourth proportional to 51,082,570.91, 70,492,964.18 and 27,877,863.94 is: 38,470,915.40
Step by Step Solution
- Step 1: Write the proportion equation
51,082,570.91 : 70,492,964.18 = 27,877,863.94 : x - Step 2: Convert to fraction form
51,082,570.91/70,492,964.18 = 27,877,863.94/x - Step 3: Cross multiply
51,082,570.91x = 70,492,964.18 × 27,877,863.94 - Step 4: Simplify right side
51,082,570.91x = 1,965,193,263,821,711.75 - Step 5: Solve for x
x = 1,965,193,263,821,711.75/51,082,570.91 - Step 6: Final answer
x = 38,470,915.40
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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.