Finding the Fourth Proportional to 36,159,881.68, 49,879,790.28 and 21,664,795.60
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Solution
The fourth proportional to 36,159,881.68, 49,879,790.28 and 21,664,795.60 is: 29,884,928.01
Step by Step Solution
- Step 1: Write the proportion equation
36,159,881.68 : 49,879,790.28 = 21,664,795.60 : x - Step 2: Convert to fraction form
36,159,881.68/49,879,790.28 = 21,664,795.60/x - Step 3: Cross multiply
36,159,881.68x = 49,879,790.28 × 21,664,795.60 - Step 4: Simplify right side
36,159,881.68x = 1,080,635,460,987,066.88 - Step 5: Solve for x
x = 1,080,635,460,987,066.88/36,159,881.68 - Step 6: Final answer
x = 29,884,928.01
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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.