Finding the Fourth Proportional to 11,246,859.42, 15,520,816.57 and 6,285,082.66
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Solution
The fourth proportional to 11,246,859.42, 15,520,816.57 and 6,285,082.66 is: 8,673,498.22
Step by Step Solution
- Step 1: Write the proportion equation
11,246,859.42 : 15,520,816.57 = 6,285,082.66 : x - Step 2: Convert to fraction form
11,246,859.42/15,520,816.57 = 6,285,082.66/x - Step 3: Cross multiply
11,246,859.42x = 15,520,816.57 × 6,285,082.66 - Step 4: Simplify right side
11,246,859.42x = 97,549,615,137,722.06 - Step 5: Solve for x
x = 97,549,615,137,722.06/11,246,859.42 - Step 6: Final answer
x = 8,673,498.22
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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.