Finding the Fourth Proportional to 6,129,373.13, 8,458,534.51 and 3,552,548.59
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Solution
The fourth proportional to 6,129,373.13, 8,458,534.51 and 3,552,548.59 is: 4,902,516.82
Step by Step Solution
- Step 1: Write the proportion equation
6,129,373.13 : 8,458,534.51 = 3,552,548.59 : x - Step 2: Convert to fraction form
6,129,373.13/8,458,534.51 = 3,552,548.59/x - Step 3: Cross multiply
6,129,373.13x = 8,458,534.51 × 3,552,548.59 - Step 4: Simplify right side
6,129,373.13x = 30,049,354,846,966.84 - Step 5: Solve for x
x = 30,049,354,846,966.84/6,129,373.13 - Step 6: Final answer
x = 4,902,516.82
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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.