Finding the Fourth Proportional to 7,493,777.84, 11,240,696.28 and 1,813,993.04
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Solution
The fourth proportional to 7,493,777.84, 11,240,696.28 and 1,813,993.04 is: 2,720,996.71
Step by Step Solution
- Step 1: Write the proportion equation
7,493,777.84 : 11,240,696.28 = 1,813,993.04 : x - Step 2: Convert to fraction form
7,493,777.84/11,240,696.28 = 1,813,993.04/x - Step 3: Cross multiply
7,493,777.84x = 11,240,696.28 × 1,813,993.04 - Step 4: Simplify right side
7,493,777.84x = 20,390,544,816,673.89 - Step 5: Solve for x
x = 20,390,544,816,673.89/7,493,777.84 - Step 6: Final answer
x = 2,720,996.71
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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.