Finding the Fourth Proportional to 18,439,954.36, 27,664,043.16 and 5,661,750.76
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Solution
The fourth proportional to 18,439,954.36, 27,664,043.16 and 5,661,750.76 is: 8,493,888.56
Step by Step Solution
- Step 1: Write the proportion equation
18,439,954.36 : 27,664,043.16 = 5,661,750.76 : x - Step 2: Convert to fraction form
18,439,954.36/27,664,043.16 = 5,661,750.76/x - Step 3: Cross multiply
18,439,954.36x = 27,664,043.16 × 5,661,750.76 - Step 4: Simplify right side
18,439,954.36x = 156,626,917,385,802.78 - Step 5: Solve for x
x = 156,626,917,385,802.78/18,439,954.36 - Step 6: Final answer
x = 8,493,888.56
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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.