Finding the Fourth Proportional to 7,125,988.88, 10,690,754.84 and 2,077,343.76
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Solution
The fourth proportional to 7,125,988.88, 10,690,754.84 and 2,077,343.76 is: 3,116,532.07
Step by Step Solution
- Step 1: Write the proportion equation
7,125,988.88 : 10,690,754.84 = 2,077,343.76 : x - Step 2: Convert to fraction form
7,125,988.88/10,690,754.84 = 2,077,343.76/x - Step 3: Cross multiply
7,125,988.88x = 10,690,754.84 × 2,077,343.76 - Step 4: Simplify right side
7,125,988.88x = 22,208,372,856,563.80 - Step 5: Solve for x
x = 22,208,372,856,563.80/7,125,988.88 - Step 6: Final answer
x = 3,116,532.07
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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.