Finding the Fourth Proportional to 32,107,987.04, 44,309,052.42 and 18,357,239.12
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Solution
The fourth proportional to 32,107,987.04, 44,309,052.42 and 18,357,239.12 is: 25,333,007.31
Step by Step Solution
- Step 1: Write the proportion equation
32,107,987.04 : 44,309,052.42 = 18,357,239.12 : x - Step 2: Convert to fraction form
32,107,987.04/44,309,052.42 = 18,357,239.12/x - Step 3: Cross multiply
32,107,987.04x = 44,309,052.42 × 18,357,239.12 - Step 4: Simplify right side
32,107,987.04x = 813,391,870,454,554.75 - Step 5: Solve for x
x = 813,391,870,454,554.75/32,107,987.04 - Step 6: Final answer
x = 25,333,007.31
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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.