Finding the Fourth Proportional to 18,005,275.28, 24,847,277.99 and 9,745,336.13
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Solution
The fourth proportional to 18,005,275.28, 24,847,277.99 and 9,745,336.13 is: 13,448,562.82
Step by Step Solution
- Step 1: Write the proportion equation
18,005,275.28 : 24,847,277.99 = 9,745,336.13 : x - Step 2: Convert to fraction form
18,005,275.28/24,847,277.99 = 9,745,336.13/x - Step 3: Cross multiply
18,005,275.28x = 24,847,277.99 × 9,745,336.13 - Step 4: Simplify right side
18,005,275.28x = 242,145,075,755,137.69 - Step 5: Solve for x
x = 242,145,075,755,137.69/18,005,275.28 - Step 6: Final answer
x = 13,448,562.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.