Finding the Fourth Proportional to 11,276,497.76, 15,561,622.32 and 6,119,865.23
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Solution
The fourth proportional to 11,276,497.76, 15,561,622.32 and 6,119,865.23 is: 8,445,444.09
Step by Step Solution
- Step 1: Write the proportion equation
11,276,497.76 : 15,561,622.32 = 6,119,865.23 : x - Step 2: Convert to fraction form
11,276,497.76/15,561,622.32 = 6,119,865.23/x - Step 3: Cross multiply
11,276,497.76x = 15,561,622.32 × 6,119,865.23 - Step 4: Simplify right side
11,276,497.76x = 95,235,031,397,463.98 - Step 5: Solve for x
x = 95,235,031,397,463.98/11,276,497.76 - Step 6: Final answer
x = 8,445,444.09
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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.