Finding the Fourth Proportional to 16,643,619.20, 24,965,428.80 and 14,124,195.20
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Solution
The fourth proportional to 16,643,619.20, 24,965,428.80 and 14,124,195.20 is: 21,186,292.80
Step by Step Solution
- Step 1: Write the proportion equation
16,643,619.20 : 24,965,428.80 = 14,124,195.20 : x - Step 2: Convert to fraction form
16,643,619.20/24,965,428.80 = 14,124,195.20/x - Step 3: Cross multiply
16,643,619.20x = 24,965,428.80 × 14,124,195.20 - Step 4: Simplify right side
16,643,619.20x = 352,616,589,622,901.75 - Step 5: Solve for x
x = 352,616,589,622,901.75/16,643,619.20 - Step 6: Final answer
x = 21,186,292.80
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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.