Finding the Fourth Proportional to 18,088,453.91, 27,117,427.55 and 7,845,599.09
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Solution
The fourth proportional to 18,088,453.91, 27,117,427.55 and 7,845,599.09 is: 11,761,782.74
Step by Step Solution
- Step 1: Write the proportion equation
18,088,453.91 : 27,117,427.55 = 7,845,599.09 : x - Step 2: Convert to fraction form
18,088,453.91/27,117,427.55 = 7,845,599.09/x - Step 3: Cross multiply
18,088,453.91x = 27,117,427.55 × 7,845,599.09 - Step 4: Simplify right side
18,088,453.91x = 212,752,464,909,420.94 - Step 5: Solve for x
x = 212,752,464,909,420.94/18,088,453.91 - Step 6: Final answer
x = 11,761,782.74
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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.