Finding the Fourth Proportional to 11,239,865.82, 16,859,799.45 and 2,720,203.74
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Solution
The fourth proportional to 11,239,865.82, 16,859,799.45 and 2,720,203.74 is: 4,080,305.78
Step by Step Solution
- Step 1: Write the proportion equation
11,239,865.82 : 16,859,799.45 = 2,720,203.74 : x - Step 2: Convert to fraction form
11,239,865.82/16,859,799.45 = 2,720,203.74/x - Step 3: Cross multiply
11,239,865.82x = 16,859,799.45 × 2,720,203.74 - Step 4: Simplify right side
11,239,865.82x = 45,862,089,519,539.95 - Step 5: Solve for x
x = 45,862,089,519,539.95/11,239,865.82 - Step 6: Final answer
x = 4,080,305.78
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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.