Finding the Fourth Proportional to 7,351,738.64, 11,026,154.20 and 6,987,175.28
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Solution
The fourth proportional to 7,351,738.64, 11,026,154.20 and 6,987,175.28 is: 10,479,381.25
Step by Step Solution
- Step 1: Write the proportion equation
7,351,738.64 : 11,026,154.20 = 6,987,175.28 : x - Step 2: Convert to fraction form
7,351,738.64/11,026,154.20 = 6,987,175.28/x - Step 3: Cross multiply
7,351,738.64x = 11,026,154.20 × 6,987,175.28 - Step 4: Simplify right side
7,351,738.64x = 77,041,672,059,708.17 - Step 5: Solve for x
x = 77,041,672,059,708.17/7,351,738.64 - Step 6: Final answer
x = 10,479,381.25
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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.