Finding the Fourth Proportional to 7,415,480.16, 11,114,237.88 and 3,146,680.80
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Solution
The fourth proportional to 7,415,480.16, 11,114,237.88 and 3,146,680.80 is: 4,716,209.63
Step by Step Solution
- Step 1: Write the proportion equation
7,415,480.16 : 11,114,237.88 = 3,146,680.80 : x - Step 2: Convert to fraction form
7,415,480.16/11,114,237.88 = 3,146,680.80/x - Step 3: Cross multiply
7,415,480.16x = 11,114,237.88 × 3,146,680.80 - Step 4: Simplify right side
7,415,480.16x = 34,972,958,943,628.70 - Step 5: Solve for x
x = 34,972,958,943,628.70/7,415,480.16 - Step 6: Final answer
x = 4,716,209.63
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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.