Finding the Fourth Proportional to 19,530,002.26, 26,958,378.18 and 13,330,611.82
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Solution
The fourth proportional to 19,530,002.26, 26,958,378.18 and 13,330,611.82 is: 18,401,005.29
Step by Step Solution
- Step 1: Write the proportion equation
19,530,002.26 : 26,958,378.18 = 13,330,611.82 : x - Step 2: Convert to fraction form
19,530,002.26/26,958,378.18 = 13,330,611.82/x - Step 3: Cross multiply
19,530,002.26x = 26,958,378.18 × 13,330,611.82 - Step 4: Simplify right side
19,530,002.26x = 359,371,674,814,338.06 - Step 5: Solve for x
x = 359,371,674,814,338.06/19,530,002.26 - Step 6: Final answer
x = 18,401,005.29
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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.