Finding the Fourth Proportional to 51,486,492.49, 71,051,881.05 and 27,965,488.49
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Solution
The fourth proportional to 51,486,492.49, 71,051,881.05 and 27,965,488.49 is: 38,592,657.33
Step by Step Solution
- Step 1: Write the proportion equation
51,486,492.49 : 71,051,881.05 = 27,965,488.49 : x - Step 2: Convert to fraction form
51,486,492.49/71,051,881.05 = 27,965,488.49/x - Step 3: Cross multiply
51,486,492.49x = 71,051,881.05 × 27,965,488.49 - Step 4: Simplify right side
51,486,492.49x = 1,987,000,562,007,476.25 - Step 5: Solve for x
x = 1,987,000,562,007,476.25/51,486,492.49 - Step 6: Final answer
x = 38,592,657.33
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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.