Finding the Fourth Proportional to 14,835,617.40, 22,235,711.40 and 7,643,449.20
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Solution
The fourth proportional to 14,835,617.40, 22,235,711.40 and 7,643,449.20 is: 11,456,047.02
Step by Step Solution
- Step 1: Write the proportion equation
14,835,617.40 : 22,235,711.40 = 7,643,449.20 : x - Step 2: Convert to fraction form
14,835,617.40/22,235,711.40 = 7,643,449.20/x - Step 3: Cross multiply
14,835,617.40x = 22,235,711.40 × 7,643,449.20 - Step 4: Simplify right side
14,835,617.40x = 169,957,530,511,760.88 - Step 5: Solve for x
x = 169,957,530,511,760.88/14,835,617.40 - Step 6: Final answer
x = 11,456,047.02
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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.