Finding the Fourth Proportional to 8,390,714.97, 12,581,010.24 and 3,203,663.21
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Solution
The fourth proportional to 8,390,714.97, 12,581,010.24 and 3,203,663.21 is: 4,803,562.01
Step by Step Solution
- Step 1: Write the proportion equation
8,390,714.97 : 12,581,010.24 = 3,203,663.21 : x - Step 2: Convert to fraction form
8,390,714.97/12,581,010.24 = 3,203,663.21/x - Step 3: Cross multiply
8,390,714.97x = 12,581,010.24 × 3,203,663.21 - Step 4: Simplify right side
8,390,714.97x = 40,305,319,649,482.65 - Step 5: Solve for x
x = 40,305,319,649,482.65/8,390,714.97 - Step 6: Final answer
x = 4,803,562.01
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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.