Finding the Fourth Proportional to 18,373,007.70, 27,559,511.55 and 8,807,069.70
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Solution
The fourth proportional to 18,373,007.70, 27,559,511.55 and 8,807,069.70 is: 13,210,604.55
Step by Step Solution
- Step 1: Write the proportion equation
18,373,007.70 : 27,559,511.55 = 8,807,069.70 : x - Step 2: Convert to fraction form
18,373,007.70/27,559,511.55 = 8,807,069.70/x - Step 3: Cross multiply
18,373,007.70x = 27,559,511.55 × 8,807,069.70 - Step 4: Simplify right side
18,373,007.70x = 242,718,539,118,805.03 - Step 5: Solve for x
x = 242,718,539,118,805.03/18,373,007.70 - Step 6: Final answer
x = 13,210,604.55
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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.