Finding the Fourth Proportional to 35,688,249.99, 49,249,613.63 and 20,218,297.73
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Solution
The fourth proportional to 35,688,249.99, 49,249,613.63 and 20,218,297.73 is: 27,901,153.78
Step by Step Solution
- Step 1: Write the proportion equation
35,688,249.99 : 49,249,613.63 = 20,218,297.73 : x - Step 2: Convert to fraction form
35,688,249.99/49,249,613.63 = 20,218,297.73/x - Step 3: Cross multiply
35,688,249.99x = 49,249,613.63 × 20,218,297.73 - Step 4: Simplify right side
35,688,249.99x = 995,743,351,111,466.62 - Step 5: Solve for x
x = 995,743,351,111,466.62/35,688,249.99 - Step 6: Final answer
x = 27,901,153.78
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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.