Finding the Fourth Proportional to 16,128,714.89, 22,257,587.58 and 8,786,608.36
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Solution
The fourth proportional to 16,128,714.89, 22,257,587.58 and 8,786,608.36 is: 12,125,498.31
Step by Step Solution
- Step 1: Write the proportion equation
16,128,714.89 : 22,257,587.58 = 8,786,608.36 : x - Step 2: Convert to fraction form
16,128,714.89/22,257,587.58 = 8,786,608.36/x - Step 3: Cross multiply
16,128,714.89x = 22,257,587.58 × 8,786,608.36 - Step 4: Simplify right side
16,128,714.89x = 195,568,705,103,860.12 - Step 5: Solve for x
x = 195,568,705,103,860.12/16,128,714.89 - Step 6: Final answer
x = 12,125,498.31
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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.