Finding the Fourth Proportional to 13,505,919.84, 18,633,080.88 and 8,862,265.44
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Solution
The fourth proportional to 13,505,919.84, 18,633,080.88 and 8,862,265.44 is: 12,226,587.35
Step by Step Solution
- Step 1: Write the proportion equation
13,505,919.84 : 18,633,080.88 = 8,862,265.44 : x - Step 2: Convert to fraction form
13,505,919.84/18,633,080.88 = 8,862,265.44/x - Step 3: Cross multiply
13,505,919.84x = 18,633,080.88 × 8,862,265.44 - Step 4: Simplify right side
13,505,919.84x = 165,131,308,723,548.78 - Step 5: Solve for x
x = 165,131,308,723,548.78/13,505,919.84 - Step 6: Final answer
x = 12,226,587.35
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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.