Finding the Fourth Proportional to 16,662,619.80, 24,993,929.70 and 4,695,355.80
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Solution
The fourth proportional to 16,662,619.80, 24,993,929.70 and 4,695,355.80 is: 7,043,033.70
Step by Step Solution
- Step 1: Write the proportion equation
16,662,619.80 : 24,993,929.70 = 4,695,355.80 : x - Step 2: Convert to fraction form
16,662,619.80/24,993,929.70 = 4,695,355.80/x - Step 3: Cross multiply
16,662,619.80x = 24,993,929.70 × 4,695,355.80 - Step 4: Simplify right side
16,662,619.80x = 117,355,392,781,687.25 - Step 5: Solve for x
x = 117,355,392,781,687.25/16,662,619.80 - Step 6: Final answer
x = 7,043,033.70
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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.