Finding the Fourth Proportional to 18,042,972.21, 27,063,097.11 and 5,746,438.62
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Solution
The fourth proportional to 18,042,972.21, 27,063,097.11 and 5,746,438.62 is: 8,619,224.40
Step by Step Solution
- Step 1: Write the proportion equation
18,042,972.21 : 27,063,097.11 = 5,746,438.62 : x - Step 2: Convert to fraction form
18,042,972.21/27,063,097.11 = 5,746,438.62/x - Step 3: Cross multiply
18,042,972.21x = 27,063,097.11 × 5,746,438.62 - Step 4: Simplify right side
18,042,972.21x = 155,516,426,409,714.38 - Step 5: Solve for x
x = 155,516,426,409,714.38/18,042,972.21 - Step 6: Final answer
x = 8,619,224.40
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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.