Finding the Fourth Proportional to 18,022,344.48, 24,870,954.80 and 9,762,406.76
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Solution
The fourth proportional to 18,022,344.48, 24,870,954.80 and 9,762,406.76 is: 13,472,186.02
Step by Step Solution
- Step 1: Write the proportion equation
18,022,344.48 : 24,870,954.80 = 9,762,406.76 : x - Step 2: Convert to fraction form
18,022,344.48/24,870,954.80 = 9,762,406.76/x - Step 3: Cross multiply
18,022,344.48x = 24,870,954.80 × 9,762,406.76 - Step 4: Simplify right side
18,022,344.48x = 242,800,377,353,757.81 - Step 5: Solve for x
x = 242,800,377,353,757.81/18,022,344.48 - Step 6: Final answer
x = 13,472,186.02
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1.5x scale
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.