Finding the Fourth Proportional to 40,550,273.96, 55,959,646.75 and 21,965,414.09
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Solution
The fourth proportional to 40,550,273.96, 55,959,646.75 and 21,965,414.09 is: 30,312,416.99
Step by Step Solution
- Step 1: Write the proportion equation
40,550,273.96 : 55,959,646.75 = 21,965,414.09 : x - Step 2: Convert to fraction form
40,550,273.96/55,959,646.75 = 21,965,414.09/x - Step 3: Cross multiply
40,550,273.96x = 55,959,646.75 × 21,965,414.09 - Step 4: Simplify right side
40,550,273.96x = 1,229,176,813,297,489.25 - Step 5: Solve for x
x = 1,229,176,813,297,489.25/40,550,273.96 - Step 6: Final answer
x = 30,312,416.99
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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.