Finding the Fourth Proportional to 52,612,496.07, 78,918,782.39 and 14,274,006.99
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Solution
The fourth proportional to 52,612,496.07, 78,918,782.39 and 14,274,006.99 is: 21,411,020.87
Step by Step Solution
- Step 1: Write the proportion equation
52,612,496.07 : 78,918,782.39 = 14,274,006.99 : x - Step 2: Convert to fraction form
52,612,496.07/78,918,782.39 = 14,274,006.99/x - Step 3: Cross multiply
52,612,496.07x = 78,918,782.39 × 14,274,006.99 - Step 4: Simplify right side
52,612,496.07x = 1,126,487,251,405,779 - Step 5: Solve for x
x = 1,126,487,251,405,779/52,612,496.07 - Step 6: Final answer
x = 21,411,020.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.