Finding the Fourth Proportional to 16,000,872.51, 22,081,262.21 and 8,658,704.88
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Solution
The fourth proportional to 16,000,872.51, 22,081,262.21 and 8,658,704.88 is: 11,949,044.20
Step by Step Solution
- Step 1: Write the proportion equation
16,000,872.51 : 22,081,262.21 = 8,658,704.88 : x - Step 2: Convert to fraction form
16,000,872.51/22,081,262.21 = 8,658,704.88/x - Step 3: Cross multiply
16,000,872.51x = 22,081,262.21 × 8,658,704.88 - Step 4: Simplify right side
16,000,872.51x = 191,195,132,854,286.62 - Step 5: Solve for x
x = 191,195,132,854,286.62/16,000,872.51 - Step 6: Final answer
x = 11,949,044.20
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1.5x scale
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.