Finding the Fourth Proportional to 16,388,534.40, 24,561,806.40 and 14,582,947.20
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Solution
The fourth proportional to 16,388,534.40, 24,561,806.40 and 14,582,947.20 is: 21,855,738.72
Step by Step Solution
- Step 1: Write the proportion equation
16,388,534.40 : 24,561,806.40 = 14,582,947.20 : x - Step 2: Convert to fraction form
16,388,534.40/24,561,806.40 = 14,582,947.20/x - Step 3: Cross multiply
16,388,534.40x = 24,561,806.40 × 14,582,947.20 - Step 4: Simplify right side
16,388,534.40x = 358,183,525,867,822.06 - Step 5: Solve for x
x = 358,183,525,867,822.06/16,388,534.40 - Step 6: Final answer
x = 21,855,738.72
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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.