Finding the Fourth Proportional to 7,701,343.31, 10,627,449.63 and 4,216,013.90
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Solution
The fourth proportional to 7,701,343.31, 10,627,449.63 and 4,216,013.90 is: 5,817,877.95
Step by Step Solution
- Step 1: Write the proportion equation
7,701,343.31 : 10,627,449.63 = 4,216,013.90 : x - Step 2: Convert to fraction form
7,701,343.31/10,627,449.63 = 4,216,013.90/x - Step 3: Cross multiply
7,701,343.31x = 10,627,449.63 × 4,216,013.90 - Step 4: Simplify right side
7,701,343.31x = 44,805,475,416,029.98 - Step 5: Solve for x
x = 44,805,475,416,029.98/7,701,343.31 - Step 6: Final answer
x = 5,817,877.95
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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.