Finding the Fourth Proportional to 19,771,114.38, 27,270,048.88 and 18,144,773.70
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Solution
The fourth proportional to 19,771,114.38, 27,270,048.88 and 18,144,773.70 is: 25,026,857.68
Step by Step Solution
- Step 1: Write the proportion equation
19,771,114.38 : 27,270,048.88 = 18,144,773.70 : x - Step 2: Convert to fraction form
19,771,114.38/27,270,048.88 = 18,144,773.70/x - Step 3: Cross multiply
19,771,114.38x = 27,270,048.88 × 18,144,773.70 - Step 4: Simplify right side
19,771,114.38x = 494,808,865,715,538.44 - Step 5: Solve for x
x = 494,808,865,715,538.44/19,771,114.38 - Step 6: Final answer
x = 25,026,857.68
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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.