Finding the Fourth Proportional to 39,968,747.74, 59,862,319.94 and 31,278,690.94
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Solution
The fourth proportional to 39,968,747.74, 59,862,319.94 and 31,278,690.94 is: 46,846,976.96
Step by Step Solution
- Step 1: Write the proportion equation
39,968,747.74 : 59,862,319.94 = 31,278,690.94 : x - Step 2: Convert to fraction form
39,968,747.74/59,862,319.94 = 31,278,690.94/x - Step 3: Cross multiply
39,968,747.74x = 59,862,319.94 × 31,278,690.94 - Step 4: Simplify right side
39,968,747.74x = 1,872,415,004,354,659.25 - Step 5: Solve for x
x = 1,872,415,004,354,659.25/39,968,747.74 - Step 6: Final answer
x = 46,846,976.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.