Finding the Fourth Proportional to 32,993,808.70, 45,531,951.36 and 18,310,426.24
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Solution
The fourth proportional to 32,993,808.70, 45,531,951.36 and 18,310,426.24 is: 25,268,663.12
Step by Step Solution
- Step 1: Write the proportion equation
32,993,808.70 : 45,531,951.36 = 18,310,426.24 : x - Step 2: Convert to fraction form
32,993,808.70/45,531,951.36 = 18,310,426.24/x - Step 3: Cross multiply
32,993,808.70x = 45,531,951.36 × 18,310,426.24 - Step 4: Simplify right side
32,993,808.70x = 833,709,436,940,547.62 - Step 5: Solve for x
x = 833,709,436,940,547.62/32,993,808.70 - Step 6: Final answer
x = 25,268,663.12
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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.