Finding the Fourth Proportional to 18,151,332.20, 27,226,998.30 and 14,041,521.80
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Solution
The fourth proportional to 18,151,332.20, 27,226,998.30 and 14,041,521.80 is: 21,062,282.70
Step by Step Solution
- Step 1: Write the proportion equation
18,151,332.20 : 27,226,998.30 = 14,041,521.80 : x - Step 2: Convert to fraction form
18,151,332.20/27,226,998.30 = 14,041,521.80/x - Step 3: Cross multiply
18,151,332.20x = 27,226,998.30 × 14,041,521.80 - Step 4: Simplify right side
18,151,332.20x = 382,308,490,178,013 - Step 5: Solve for x
x = 382,308,490,178,013/18,151,332.20 - Step 6: Final answer
x = 21,062,282.70
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1.5x scale
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.