Finding the Fourth Proportional to 7,563,561.76, 10,434,283.14 and 4,463,982.28
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Solution
The fourth proportional to 7,563,561.76, 10,434,283.14 and 4,463,982.28 is: 6,158,269.94
Step by Step Solution
- Step 1: Write the proportion equation
7,563,561.76 : 10,434,283.14 = 4,463,982.28 : x - Step 2: Convert to fraction form
7,563,561.76/10,434,283.14 = 4,463,982.28/x - Step 3: Cross multiply
7,563,561.76x = 10,434,283.14 × 4,463,982.28 - Step 4: Simplify right side
7,563,561.76x = 46,578,455,041,462.77 - Step 5: Solve for x
x = 46,578,455,041,462.77/7,563,561.76 - Step 6: Final answer
x = 6,158,269.94
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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.