Finding the Fourth Proportional to 18,441,715.80, 27,670,446.90 and 8,852,158.20
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Solution
The fourth proportional to 18,441,715.80, 27,670,446.90 and 8,852,158.20 is: 13,282,016.49
Step by Step Solution
- Step 1: Write the proportion equation
18,441,715.80 : 27,670,446.90 = 8,852,158.20 : x - Step 2: Convert to fraction form
18,441,715.80/27,670,446.90 = 8,852,158.20/x - Step 3: Cross multiply
18,441,715.80x = 27,670,446.90 × 8,852,158.20 - Step 4: Simplify right side
18,441,715.80x = 244,943,173,423,499.53 - Step 5: Solve for x
x = 244,943,173,423,499.53/18,441,715.80 - Step 6: Final answer
x = 13,282,016.49
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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.