Finding the Fourth Proportional to 29,403,330.37, 40,585,149.49 and 19,613,751.21
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Solution
The fourth proportional to 29,403,330.37, 40,585,149.49 and 19,613,751.21 is: 27,072,682.41
Step by Step Solution
- Step 1: Write the proportion equation
29,403,330.37 : 40,585,149.49 = 19,613,751.21 : x - Step 2: Convert to fraction form
29,403,330.37/40,585,149.49 = 19,613,751.21/x - Step 3: Cross multiply
29,403,330.37x = 40,585,149.49 × 19,613,751.21 - Step 4: Simplify right side
29,403,330.37x = 796,027,024,917,518.50 - Step 5: Solve for x
x = 796,027,024,917,518.50/29,403,330.37 - Step 6: Final answer
x = 27,072,682.41
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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.