Finding the Fourth Proportional to 27,635,656.47, 41,489,406.33 and 21,250,392.99
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Solution
The fourth proportional to 27,635,656.47, 41,489,406.33 and 21,250,392.99 is: 31,903,211.36
Step by Step Solution
- Step 1: Write the proportion equation
27,635,656.47 : 41,489,406.33 = 21,250,392.99 : x - Step 2: Convert to fraction form
27,635,656.47/41,489,406.33 = 21,250,392.99/x - Step 3: Cross multiply
27,635,656.47x = 41,489,406.33 × 21,250,392.99 - Step 4: Simplify right side
27,635,656.47x = 881,666,189,434,293.50 - Step 5: Solve for x
x = 881,666,189,434,293.50/27,635,656.47 - Step 6: Final answer
x = 31,903,211.36
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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.