Finding the Fourth Proportional to 18,362,965.20, 27,543,281.40 and 6,232,405.20
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Solution
The fourth proportional to 18,362,965.20, 27,543,281.40 and 6,232,405.20 is: 9,348,211.92
Step by Step Solution
- Step 1: Write the proportion equation
18,362,965.20 : 27,543,281.40 = 6,232,405.20 : x - Step 2: Convert to fraction form
18,362,965.20/27,543,281.40 = 6,232,405.20/x - Step 3: Cross multiply
18,362,965.20x = 27,543,281.40 × 6,232,405.20 - Step 4: Simplify right side
18,362,965.20x = 171,660,890,222,423.28 - Step 5: Solve for x
x = 171,660,890,222,423.28/18,362,965.20 - Step 6: Final answer
x = 9,348,211.92
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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.