Finding the Fourth Proportional to 10,240,745.28, 15,361,062.36 and 4,175,453.40
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Solution
The fourth proportional to 10,240,745.28, 15,361,062.36 and 4,175,453.40 is: 6,263,157.45
Step by Step Solution
- Step 1: Write the proportion equation
10,240,745.28 : 15,361,062.36 = 4,175,453.40 : x - Step 2: Convert to fraction form
10,240,745.28/15,361,062.36 = 4,175,453.40/x - Step 3: Cross multiply
10,240,745.28x = 15,361,062.36 × 4,175,453.40 - Step 4: Simplify right side
10,240,745.28x = 64,139,400,058,674.02 - Step 5: Solve for x
x = 64,139,400,058,674.02/10,240,745.28 - Step 6: Final answer
x = 6,263,157.45
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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.