Finding the Fourth Proportional to 18,358,936.05, 27,542,551.28 and 10,782,001.65
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Solution
The fourth proportional to 18,358,936.05, 27,542,551.28 and 10,782,001.65 is: 16,175,438.08
Step by Step Solution
- Step 1: Write the proportion equation
18,358,936.05 : 27,542,551.28 = 10,782,001.65 : x - Step 2: Convert to fraction form
18,358,936.05/27,542,551.28 = 10,782,001.65/x - Step 3: Cross multiply
18,358,936.05x = 27,542,551.28 × 10,782,001.65 - Step 4: Simplify right side
18,358,936.05x = 296,963,833,292,259.62 - Step 5: Solve for x
x = 296,963,833,292,259.62/18,358,936.05 - Step 6: Final answer
x = 16,175,438.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.