Finding the Fourth Proportional to 29,830,136.76, 41,168,747.34 and 18,234,487.80
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Solution
The fourth proportional to 29,830,136.76, 41,168,747.34 and 18,234,487.80 is: 25,165,523.95
Step by Step Solution
- Step 1: Write the proportion equation
29,830,136.76 : 41,168,747.34 = 18,234,487.80 : x - Step 2: Convert to fraction form
29,830,136.76/41,168,747.34 = 18,234,487.80/x - Step 3: Cross multiply
29,830,136.76x = 41,168,747.34 × 18,234,487.80 - Step 4: Simplify right side
29,830,136.76x = 750,691,021,112,512.50 - Step 5: Solve for x
x = 750,691,021,112,512.50/29,830,136.76 - Step 6: Final answer
x = 25,165,523.95
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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.