Finding the Fourth Proportional to 7,518,638.04, 10,375,740.51 and 4,080,879.09
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Solution
The fourth proportional to 7,518,638.04, 10,375,740.51 and 4,080,879.09 is: 5,631,624.01
Step by Step Solution
- Step 1: Write the proportion equation
7,518,638.04 : 10,375,740.51 = 4,080,879.09 : x - Step 2: Convert to fraction form
7,518,638.04/10,375,740.51 = 4,080,879.09/x - Step 3: Cross multiply
7,518,638.04x = 10,375,740.51 × 4,080,879.09 - Step 4: Simplify right side
7,518,638.04x = 42,342,142,490,524.93 - Step 5: Solve for x
x = 42,342,142,490,524.93/7,518,638.04 - Step 6: Final answer
x = 5,631,624.01
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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.