Finding the Fourth Proportional to 10,334,027.94, 15,486,870.15 and 6,540,739.62
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Solution
The fourth proportional to 10,334,027.94, 15,486,870.15 and 6,540,739.62 is: 9,802,139.67
Step by Step Solution
- Step 1: Write the proportion equation
10,334,027.94 : 15,486,870.15 = 6,540,739.62 : x - Step 2: Convert to fraction form
10,334,027.94/15,486,870.15 = 6,540,739.62/x - Step 3: Cross multiply
10,334,027.94x = 15,486,870.15 × 6,540,739.62 - Step 4: Simplify right side
10,334,027.94x = 101,295,585,179,900.34 - Step 5: Solve for x
x = 101,295,585,179,900.34/10,334,027.94 - Step 6: Final answer
x = 9,802,139.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.