Finding the Fourth Proportional to 9,644,943.93, 13,321,069.14 and 6,351,958.51
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Solution
The fourth proportional to 9,644,943.93, 13,321,069.14 and 6,351,958.51 is: 8,772,977.75
Step by Step Solution
- Step 1: Write the proportion equation
9,644,943.93 : 13,321,069.14 = 6,351,958.51 : x - Step 2: Convert to fraction form
9,644,943.93/13,321,069.14 = 6,351,958.51/x - Step 3: Cross multiply
9,644,943.93x = 13,321,069.14 × 6,351,958.51 - Step 4: Simplify right side
9,644,943.93x = 84,614,878,486,121.38 - Step 5: Solve for x
x = 84,614,878,486,121.38/9,644,943.93 - Step 6: Final answer
x = 8,772,977.75
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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.