Finding the Fourth Proportional to 7,338,684.60, 10,127,107.27 and 4,075,709.51
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Solution
The fourth proportional to 7,338,684.60, 10,127,107.27 and 4,075,709.51 is: 5,624,325.02
Step by Step Solution
- Step 1: Write the proportion equation
7,338,684.60 : 10,127,107.27 = 4,075,709.51 : x - Step 2: Convert to fraction form
7,338,684.60/10,127,107.27 = 4,075,709.51/x - Step 3: Cross multiply
7,338,684.60x = 10,127,107.27 × 4,075,709.51 - Step 4: Simplify right side
7,338,684.60x = 41,275,147,409,129.13 - Step 5: Solve for x
x = 41,275,147,409,129.13/7,338,684.60 - Step 6: Final answer
x = 5,624,325.02
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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.