Finding the Fourth Proportional to 9,696,658.24, 13,381,481.44 and 5,345,903.68
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Solution
The fourth proportional to 9,696,658.24, 13,381,481.44 and 5,345,903.68 is: 7,377,398.39
Step by Step Solution
- Step 1: Write the proportion equation
9,696,658.24 : 13,381,481.44 = 5,345,903.68 : x - Step 2: Convert to fraction form
9,696,658.24/13,381,481.44 = 5,345,903.68/x - Step 3: Cross multiply
9,696,658.24x = 13,381,481.44 × 5,345,903.68 - Step 4: Simplify right side
9,696,658.24x = 71,536,110,873,947.69 - Step 5: Solve for x
x = 71,536,110,873,947.69/9,696,658.24 - Step 6: Final answer
x = 7,377,398.39
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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.