Finding the Fourth Proportional to 37,005,507.28, 51,068,201.99 and 20,259,965.39
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Solution
The fourth proportional to 37,005,507.28, 51,068,201.99 and 20,259,965.39 is: 27,959,081.80
Step by Step Solution
- Step 1: Write the proportion equation
37,005,507.28 : 51,068,201.99 = 20,259,965.39 : x - Step 2: Convert to fraction form
37,005,507.28/51,068,201.99 = 20,259,965.39/x - Step 3: Cross multiply
37,005,507.28x = 51,068,201.99 × 20,259,965.39 - Step 4: Simplify right side
37,005,507.28x = 1,034,640,004,873,299.75 - Step 5: Solve for x
x = 1,034,640,004,873,299.75/37,005,507.28 - Step 6: Final answer
x = 27,959,081.80
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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.