Finding the Fourth Proportional to 18,235,810.20, 27,353,715.30 and 7,596,859.80
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Solution
The fourth proportional to 18,235,810.20, 27,353,715.30 and 7,596,859.80 is: 11,395,289.70
Step by Step Solution
- Step 1: Write the proportion equation
18,235,810.20 : 27,353,715.30 = 7,596,859.80 : x - Step 2: Convert to fraction form
18,235,810.20/27,353,715.30 = 7,596,859.80/x - Step 3: Cross multiply
18,235,810.20x = 27,353,715.30 × 7,596,859.80 - Step 4: Simplify right side
18,235,810.20x = 207,802,340,143,214.94 - Step 5: Solve for x
x = 207,802,340,143,214.94/18,235,810.20 - Step 6: Final answer
x = 11,395,289.70
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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.