Finding the Fourth Proportional to 6,658,216.46, 9,961,046.67 and 5,130,323.99
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Solution
The fourth proportional to 6,658,216.46, 9,961,046.67 and 5,130,323.99 is: 7,675,238.11
Step by Step Solution
- Step 1: Write the proportion equation
6,658,216.46 : 9,961,046.67 = 5,130,323.99 : x - Step 2: Convert to fraction form
6,658,216.46/9,961,046.67 = 5,130,323.99/x - Step 3: Cross multiply
6,658,216.46x = 9,961,046.67 × 5,130,323.99 - Step 4: Simplify right side
6,658,216.46x = 51,103,396,696,610.62 - Step 5: Solve for x
x = 51,103,396,696,610.62/6,658,216.46 - Step 6: Final answer
x = 7,675,238.11
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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.