Finding the Fourth Proportional to 10,289,269.62, 15,433,909.90 and 2,613,490.11
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Solution
The fourth proportional to 10,289,269.62, 15,433,909.90 and 2,613,490.11 is: 3,920,236.55
Step by Step Solution
- Step 1: Write the proportion equation
10,289,269.62 : 15,433,909.90 = 2,613,490.11 : x - Step 2: Convert to fraction form
10,289,269.62/15,433,909.90 = 2,613,490.11/x - Step 3: Cross multiply
10,289,269.62x = 15,433,909.90 × 2,613,490.11 - Step 4: Simplify right side
10,289,269.62x = 40,336,370,875,747.37 - Step 5: Solve for x
x = 40,336,370,875,747.37/10,289,269.62 - Step 6: Final answer
x = 3,920,236.55
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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.