Finding the Fourth Proportional to 7,852,729.68, 10,833,129.54 and 4,589,681.94
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Solution
The fourth proportional to 7,852,729.68, 10,833,129.54 and 4,589,681.94 is: 6,331,635.12
Step by Step Solution
- Step 1: Write the proportion equation
7,852,729.68 : 10,833,129.54 = 4,589,681.94 : x - Step 2: Convert to fraction form
7,852,729.68/10,833,129.54 = 4,589,681.94/x - Step 3: Cross multiply
7,852,729.68x = 10,833,129.54 × 4,589,681.94 - Step 4: Simplify right side
7,852,729.68x = 49,720,619,003,418.51 - Step 5: Solve for x
x = 49,720,619,003,418.51/7,852,729.68 - Step 6: Final answer
x = 6,331,635.12
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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.