Finding the Fourth Proportional to 18,448,360.80, 27,680,414.40 and 8,858,803.20
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Solution
The fourth proportional to 18,448,360.80, 27,680,414.40 and 8,858,803.20 is: 13,291,985.47
Step by Step Solution
- Step 1: Write the proportion equation
18,448,360.80 : 27,680,414.40 = 8,858,803.20 : x - Step 2: Convert to fraction form
18,448,360.80/27,680,414.40 = 8,858,803.20/x - Step 3: Cross multiply
18,448,360.80x = 27,680,414.40 × 8,858,803.20 - Step 4: Simplify right side
18,448,360.80x = 245,215,343,664,046.03 - Step 5: Solve for x
x = 245,215,343,664,046.03/18,448,360.80 - Step 6: Final answer
x = 13,291,985.47
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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.