Finding the Fourth Proportional to 37,117,808.20, 51,222,464.58 and 20,600,420.68
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Solution
The fourth proportional to 37,117,808.20, 51,222,464.58 and 20,600,420.68 is: 28,428,519.08
Step by Step Solution
- Step 1: Write the proportion equation
37,117,808.20 : 51,222,464.58 = 20,600,420.68 : x - Step 2: Convert to fraction form
37,117,808.20/51,222,464.58 = 20,600,420.68/x - Step 3: Cross multiply
37,117,808.20x = 51,222,464.58 × 20,600,420.68 - Step 4: Simplify right side
37,117,808.20x = 1,055,204,318,614,399.50 - Step 5: Solve for x
x = 1,055,204,318,614,399.50/37,117,808.20 - Step 6: Final answer
x = 28,428,519.08
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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.