Finding the Fourth Proportional to 7,995,862.74, 11,034,551.37 and 4,374,190.74
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Solution
The fourth proportional to 7,995,862.74, 11,034,551.37 and 4,374,190.74 is: 6,036,525.89
Step by Step Solution
- Step 1: Write the proportion equation
7,995,862.74 : 11,034,551.37 = 4,374,190.74 : x - Step 2: Convert to fraction form
7,995,862.74/11,034,551.37 = 4,374,190.74/x - Step 3: Cross multiply
7,995,862.74x = 11,034,551.37 × 4,374,190.74 - Step 4: Simplify right side
7,995,862.74x = 48,267,232,422,708.31 - Step 5: Solve for x
x = 48,267,232,422,708.31/7,995,862.74 - Step 6: Final answer
x = 6,036,525.89
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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.