Finding the Fourth Proportional to 27,157,738.49, 37,476,538.30 and 15,397,797.99
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Solution
The fourth proportional to 27,157,738.49, 37,476,538.30 and 15,397,797.99 is: 21,248,314.41
Step by Step Solution
- Step 1: Write the proportion equation
27,157,738.49 : 37,476,538.30 = 15,397,797.99 : x - Step 2: Convert to fraction form
27,157,738.49/37,476,538.30 = 15,397,797.99/x - Step 3: Cross multiply
27,157,738.49x = 37,476,538.30 × 15,397,797.99 - Step 4: Simplify right side
27,157,738.49x = 577,056,166,209,940.50 - Step 5: Solve for x
x = 577,056,166,209,940.50/27,157,738.49 - Step 6: Final answer
x = 21,248,314.41
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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.