Finding the Fourth Proportional to 39,417,517.68, 54,001,095.42 and 37,943,805.12
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Solution
The fourth proportional to 39,417,517.68, 54,001,095.42 and 37,943,805.12 is: 51,982,143.00
Step by Step Solution
- Step 1: Write the proportion equation
39,417,517.68 : 54,001,095.42 = 37,943,805.12 : x - Step 2: Convert to fraction form
39,417,517.68/54,001,095.42 = 37,943,805.12/x - Step 3: Cross multiply
39,417,517.68x = 54,001,095.42 × 37,943,805.12 - Step 4: Simplify right side
39,417,517.68x = 2,049,007,040,883,004.50 - Step 5: Solve for x
x = 2,049,007,040,883,004.50/39,417,517.68 - Step 6: Final answer
x = 51,982,143.00
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.