Finding the Fourth Proportional to 14,321,240.12, 19,764,994.25 and 8,042,799.26
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Solution
The fourth proportional to 14,321,240.12, 19,764,994.25 and 8,042,799.26 is: 11,100,008.08
Step by Step Solution
- Step 1: Write the proportion equation
14,321,240.12 : 19,764,994.25 = 8,042,799.26 : x - Step 2: Convert to fraction form
14,321,240.12/19,764,994.25 = 8,042,799.26/x - Step 3: Cross multiply
14,321,240.12x = 19,764,994.25 × 8,042,799.26 - Step 4: Simplify right side
14,321,240.12x = 158,965,881,137,002.75 - Step 5: Solve for x
x = 158,965,881,137,002.75/14,321,240.12 - Step 6: Final answer
x = 11,100,008.08
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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.