Finding the Fourth Proportional to 27,883,928.49, 38,463,794.66 and 17,411,765.95
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Solution
The fourth proportional to 27,883,928.49, 38,463,794.66 and 17,411,765.95 is: 24,018,229.37
Step by Step Solution
- Step 1: Write the proportion equation
27,883,928.49 : 38,463,794.66 = 17,411,765.95 : x - Step 2: Convert to fraction form
27,883,928.49/38,463,794.66 = 17,411,765.95/x - Step 3: Cross multiply
27,883,928.49x = 38,463,794.66 × 17,411,765.95 - Step 4: Simplify right side
27,883,928.49x = 669,722,590,116,149.88 - Step 5: Solve for x
x = 669,722,590,116,149.88/27,883,928.49 - Step 6: Final answer
x = 24,018,229.37
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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.