Finding the Fourth Proportional to 18,333,204.66, 25,302,021.99 and 10,995,074.85
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Solution
The fourth proportional to 18,333,204.66, 25,302,021.99 and 10,995,074.85 is: 15,174,522.45
Step by Step Solution
- Step 1: Write the proportion equation
18,333,204.66 : 25,302,021.99 = 10,995,074.85 : x - Step 2: Convert to fraction form
18,333,204.66/25,302,021.99 = 10,995,074.85/x - Step 3: Cross multiply
18,333,204.66x = 25,302,021.99 × 10,995,074.85 - Step 4: Simplify right side
18,333,204.66x = 278,197,625,636,395.94 - Step 5: Solve for x
x = 278,197,625,636,395.94/18,333,204.66 - Step 6: Final answer
x = 15,174,522.45
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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.