Finding the Fourth Proportional to 49,816,384.60, 74,721,919.68 and 13,424,190.66
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Solution
The fourth proportional to 49,816,384.60, 74,721,919.68 and 13,424,190.66 is: 20,135,569.94
Step by Step Solution
- Step 1: Write the proportion equation
49,816,384.60 : 74,721,919.68 = 13,424,190.66 : x - Step 2: Convert to fraction form
49,816,384.60/74,721,919.68 = 13,424,190.66/x - Step 3: Cross multiply
49,816,384.60x = 74,721,919.68 × 13,424,190.66 - Step 4: Simplify right side
49,816,384.60x = 1,003,081,296,265,526.25 - Step 5: Solve for x
x = 1,003,081,296,265,526.25/49,816,384.60 - Step 6: Final answer
x = 20,135,569.94
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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.