Finding the Fourth Proportional to 39,350,874.36, 54,304,279.08 and 21,948,341.26
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Solution
The fourth proportional to 39,350,874.36, 54,304,279.08 and 21,948,341.26 is: 30,288,751.36
Step by Step Solution
- Step 1: Write the proportion equation
39,350,874.36 : 54,304,279.08 = 21,948,341.26 : x - Step 2: Convert to fraction form
39,350,874.36/54,304,279.08 = 21,948,341.26/x - Step 3: Cross multiply
39,350,874.36x = 54,304,279.08 × 21,948,341.26 - Step 4: Simplify right side
39,350,874.36x = 1,191,888,849,126,119 - Step 5: Solve for x
x = 1,191,888,849,126,119/39,350,874.36 - Step 6: Final answer
x = 30,288,751.36
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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.