Finding the Fourth Proportional to 18,147,621.53, 27,221,407.46 and 8,426,918.96
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Solution
The fourth proportional to 18,147,621.53, 27,221,407.46 and 8,426,918.96 is: 12,640,366.90
Step by Step Solution
- Step 1: Write the proportion equation
18,147,621.53 : 27,221,407.46 = 8,426,918.96 : x - Step 2: Convert to fraction form
18,147,621.53/27,221,407.46 = 8,426,918.96/x - Step 3: Cross multiply
18,147,621.53x = 27,221,407.46 × 8,426,918.96 - Step 4: Simplify right side
18,147,621.53x = 229,392,594,464,317.78 - Step 5: Solve for x
x = 229,392,594,464,317.78/18,147,621.53 - Step 6: Final answer
x = 12,640,366.90
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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.