Finding the Fourth Proportional to 7,344,795.06, 10,125,134.58 and 5,132,790.40
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Solution
The fourth proportional to 7,344,795.06, 10,125,134.58 and 5,132,790.40 is: 7,075,785.39
Step by Step Solution
- Step 1: Write the proportion equation
7,344,795.06 : 10,125,134.58 = 5,132,790.40 : x - Step 2: Convert to fraction form
7,344,795.06/10,125,134.58 = 5,132,790.40/x - Step 3: Cross multiply
7,344,795.06x = 10,125,134.58 × 5,132,790.40 - Step 4: Simplify right side
7,344,795.06x = 51,970,193,570,932.04 - Step 5: Solve for x
x = 51,970,193,570,932.04/7,344,795.06 - Step 6: Final answer
x = 7,075,785.39
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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.