Finding the Fourth Proportional to 7,975,830.26, 11,006,589.48 and 4,354,158.26
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Solution
The fourth proportional to 7,975,830.26, 11,006,589.48 and 4,354,158.26 is: 6,008,707.68
Step by Step Solution
- Step 1: Write the proportion equation
7,975,830.26 : 11,006,589.48 = 4,354,158.26 : x - Step 2: Convert to fraction form
7,975,830.26/11,006,589.48 = 4,354,158.26/x - Step 3: Cross multiply
7,975,830.26x = 11,006,589.48 × 4,354,158.26 - Step 4: Simplify right side
7,975,830.26x = 47,924,432,498,771.10 - Step 5: Solve for x
x = 47,924,432,498,771.10/7,975,830.26 - Step 6: Final answer
x = 6,008,707.68
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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.