Finding the Fourth Proportional to 49,507,812.69, 74,261,656.47 and 18,802,334.85
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Solution
The fourth proportional to 49,507,812.69, 74,261,656.47 and 18,802,334.85 is: 28,203,478.52
Step by Step Solution
- Step 1: Write the proportion equation
49,507,812.69 : 74,261,656.47 = 18,802,334.85 : x - Step 2: Convert to fraction form
49,507,812.69/74,261,656.47 = 18,802,334.85/x - Step 3: Cross multiply
49,507,812.69x = 74,261,656.47 × 18,802,334.85 - Step 4: Simplify right side
49,507,812.69x = 1,396,292,531,707,836 - Step 5: Solve for x
x = 1,396,292,531,707,836/49,507,812.69 - Step 6: Final answer
x = 28,203,478.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.