Finding the Fourth Proportional to 16,105,860.76, 22,226,087.84 and 8,862,516.76
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Solution
The fourth proportional to 16,105,860.76, 22,226,087.84 and 8,862,516.76 is: 12,230,273.12
Step by Step Solution
- Step 1: Write the proportion equation
16,105,860.76 : 22,226,087.84 = 8,862,516.76 : x - Step 2: Convert to fraction form
16,105,860.76/22,226,087.84 = 8,862,516.76/x - Step 3: Cross multiply
16,105,860.76x = 22,226,087.84 × 8,862,516.76 - Step 4: Simplify right side
16,105,860.76x = 196,979,075,991,232.19 - Step 5: Solve for x
x = 196,979,075,991,232.19/16,105,860.76 - Step 6: Final answer
x = 12,230,273.12
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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.