Finding the Fourth Proportional to 7,392,516.69, 10,201,708.56 and 4,129,468.95
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Solution
The fourth proportional to 7,392,516.69, 10,201,708.56 and 4,129,468.95 is: 5,698,687.00
Step by Step Solution
- Step 1: Write the proportion equation
7,392,516.69 : 10,201,708.56 = 4,129,468.95 : x - Step 2: Convert to fraction form
7,392,516.69/10,201,708.56 = 4,129,468.95/x - Step 3: Cross multiply
7,392,516.69x = 10,201,708.56 × 4,129,468.95 - Step 4: Simplify right side
7,392,516.69x = 42,127,638,735,469.22 - Step 5: Solve for x
x = 42,127,638,735,469.22/7,392,516.69 - Step 6: Final answer
x = 5,698,687.00
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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.