Finding the Fourth Proportional to 7,137,037.68, 9,848,846.98 and 3,873,782.17
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Solution
The fourth proportional to 7,137,037.68, 9,848,846.98 and 3,873,782.17 is: 5,345,675.55
Step by Step Solution
- Step 1: Write the proportion equation
7,137,037.68 : 9,848,846.98 = 3,873,782.17 : x - Step 2: Convert to fraction form
7,137,037.68/9,848,846.98 = 3,873,782.17/x - Step 3: Cross multiply
7,137,037.68x = 9,848,846.98 × 3,873,782.17 - Step 4: Simplify right side
7,137,037.68x = 38,152,287,826,182.34 - Step 5: Solve for x
x = 38,152,287,826,182.34/7,137,037.68 - Step 6: Final answer
x = 5,345,675.55
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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.