Finding the Fourth Proportional to 39,403,342.09, 54,376,717.53 and 22,000,310.04
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Solution
The fourth proportional to 39,403,342.09, 54,376,717.53 and 22,000,310.04 is: 30,360,486.73
Step by Step Solution
- Step 1: Write the proportion equation
39,403,342.09 : 54,376,717.53 = 22,000,310.04 : x - Step 2: Convert to fraction form
39,403,342.09/54,376,717.53 = 22,000,310.04/x - Step 3: Cross multiply
39,403,342.09x = 54,376,717.53 × 22,000,310.04 - Step 4: Simplify right side
39,403,342.09x = 1,196,304,644,617,503 - Step 5: Solve for x
x = 1,196,304,644,617,503/39,403,342.09 - Step 6: Final answer
x = 30,360,486.73
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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.