Finding the Fourth Proportional to 7,518,623.57, 10,375,720.48 and 4,080,864.63
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Solution
The fourth proportional to 7,518,623.57, 10,375,720.48 and 4,080,864.63 is: 5,631,604.02
Step by Step Solution
- Step 1: Write the proportion equation
7,518,623.57 : 10,375,720.48 = 4,080,864.63 : x - Step 2: Convert to fraction form
7,518,623.57/10,375,720.48 = 4,080,864.63/x - Step 3: Cross multiply
7,518,623.57x = 10,375,720.48 × 4,080,864.63 - Step 4: Simplify right side
7,518,623.57x = 42,341,910,717,598.62 - Step 5: Solve for x
x = 42,341,910,717,598.62/7,518,623.57 - Step 6: Final answer
x = 5,631,604.02
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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.