Finding the Fourth Proportional to 11,275,463.35, 15,560,139.51 and 6,118,824.88
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Solution
The fourth proportional to 11,275,463.35, 15,560,139.51 and 6,118,824.88 is: 8,443,978.38
Step by Step Solution
- Step 1: Write the proportion equation
11,275,463.35 : 15,560,139.51 = 6,118,824.88 : x - Step 2: Convert to fraction form
11,275,463.35/15,560,139.51 = 6,118,824.88/x - Step 3: Cross multiply
11,275,463.35x = 15,560,139.51 × 6,118,824.88 - Step 4: Simplify right side
11,275,463.35x = 95,209,768,770,059 - Step 5: Solve for x
x = 95,209,768,770,059/11,275,463.35 - Step 6: Final answer
x = 8,443,978.38
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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.