Finding the Fourth Proportional to 18,333,865.62, 27,473,880.51 and 9,223,440.84
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Solution
The fourth proportional to 18,333,865.62, 27,473,880.51 and 9,223,440.84 is: 13,821,619.33
Step by Step Solution
- Step 1: Write the proportion equation
18,333,865.62 : 27,473,880.51 = 9,223,440.84 : x - Step 2: Convert to fraction form
18,333,865.62/27,473,880.51 = 9,223,440.84/x - Step 3: Cross multiply
18,333,865.62x = 27,473,880.51 × 9,223,440.84 - Step 4: Simplify right side
18,333,865.62x = 253,403,711,529,214.03 - Step 5: Solve for x
x = 253,403,711,529,214.03/18,333,865.62 - Step 6: Final answer
x = 13,821,619.33
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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.