Finding the Fourth Proportional to 36,510,528.64, 50,382,612.16 and 19,987,484.80
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Solution
The fourth proportional to 36,510,528.64, 50,382,612.16 and 19,987,484.80 is: 27,581,679.37
Step by Step Solution
- Step 1: Write the proportion equation
36,510,528.64 : 50,382,612.16 = 19,987,484.80 : x - Step 2: Convert to fraction form
36,510,528.64/50,382,612.16 = 19,987,484.80/x - Step 3: Cross multiply
36,510,528.64x = 50,382,612.16 × 19,987,484.80 - Step 4: Simplify right side
36,510,528.64x = 1,007,021,694,732,295.12 - Step 5: Solve for x
x = 1,007,021,694,732,295.12/36,510,528.64 - Step 6: Final answer
x = 27,581,679.37
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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.