Finding the Fourth Proportional to 11,611,515.86, 17,415,237.13 and 4,423,481.09
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Solution
The fourth proportional to 11,611,515.86, 17,415,237.13 and 4,423,481.09 is: 6,634,445.76
Step by Step Solution
- Step 1: Write the proportion equation
11,611,515.86 : 17,415,237.13 = 4,423,481.09 : x - Step 2: Convert to fraction form
11,611,515.86/17,415,237.13 = 4,423,481.09/x - Step 3: Cross multiply
11,611,515.86x = 17,415,237.13 × 4,423,481.09 - Step 4: Simplify right side
11,611,515.86x = 77,035,972,122,420.86 - Step 5: Solve for x
x = 77,035,972,122,420.86/11,611,515.86 - Step 6: Final answer
x = 6,634,445.76
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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.