Finding the Fourth Proportional to 19,651,660.30, 29,482,958.99 and 8,573,700.97
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Solution
The fourth proportional to 19,651,660.30, 29,482,958.99 and 8,573,700.97 is: 12,862,937.29
Step by Step Solution
- Step 1: Write the proportion equation
19,651,660.30 : 29,482,958.99 = 8,573,700.97 : x - Step 2: Convert to fraction form
19,651,660.30/29,482,958.99 = 8,573,700.97/x - Step 3: Cross multiply
19,651,660.30x = 29,482,958.99 × 8,573,700.97 - Step 4: Simplify right side
19,651,660.30x = 252,778,074,042,282.53 - Step 5: Solve for x
x = 252,778,074,042,282.53/19,651,660.30 - Step 6: Final answer
x = 12,862,937.29
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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.