Finding the Fourth Proportional to 51,959,906.14, 71,701,753.03 and 28,438,394.97
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Solution
The fourth proportional to 51,959,906.14, 71,701,753.03 and 28,438,394.97 is: 39,243,388.30
Step by Step Solution
- Step 1: Write the proportion equation
51,959,906.14 : 71,701,753.03 = 28,438,394.97 : x - Step 2: Convert to fraction form
51,959,906.14/71,701,753.03 = 28,438,394.97/x - Step 3: Cross multiply
51,959,906.14x = 71,701,753.03 × 28,438,394.97 - Step 4: Simplify right side
51,959,906.14x = 2,039,082,772,637,438.25 - Step 5: Solve for x
x = 2,039,082,772,637,438.25/51,959,906.14 - Step 6: Final answer
x = 39,243,388.30
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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.