Finding the Fourth Proportional to 49,539,664.48, 68,374,795.92 and 28,632,584.80
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Solution
The fourth proportional to 49,539,664.48, 68,374,795.92 and 28,632,584.80 is: 39,518,780.82
Step by Step Solution
- Step 1: Write the proportion equation
49,539,664.48 : 68,374,795.92 = 28,632,584.80 : x - Step 2: Convert to fraction form
49,539,664.48/68,374,795.92 = 28,632,584.80/x - Step 3: Cross multiply
49,539,664.48x = 68,374,795.92 × 28,632,584.80 - Step 4: Simplify right side
49,539,664.48x = 1,957,747,142,362,094 - Step 5: Solve for x
x = 1,957,747,142,362,094/49,539,664.48 - Step 6: Final answer
x = 39,518,780.82
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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.