Finding the Fourth Proportional to 51,615,268.20, 71,226,359.64 and 28,405,959.12
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Solution
The fourth proportional to 51,615,268.20, 71,226,359.64 and 28,405,959.12 is: 39,198,731.90
Step by Step Solution
- Step 1: Write the proportion equation
51,615,268.20 : 71,226,359.64 = 28,405,959.12 : x - Step 2: Convert to fraction form
51,615,268.20/71,226,359.64 = 28,405,959.12/x - Step 3: Cross multiply
51,615,268.20x = 71,226,359.64 × 28,405,959.12 - Step 4: Simplify right side
51,615,268.20x = 2,023,253,060,200,258 - Step 5: Solve for x
x = 2,023,253,060,200,258/51,615,268.20 - Step 6: Final answer
x = 39,198,731.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.