Finding the Fourth Proportional to 12,427,378.24, 18,643,890.48 and 3,792,250.48
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Solution
The fourth proportional to 12,427,378.24, 18,643,890.48 and 3,792,250.48 is: 5,689,237.20
Step by Step Solution
- Step 1: Write the proportion equation
12,427,378.24 : 18,643,890.48 = 3,792,250.48 : x - Step 2: Convert to fraction form
12,427,378.24/18,643,890.48 = 3,792,250.48/x - Step 3: Cross multiply
12,427,378.24x = 18,643,890.48 × 3,792,250.48 - Step 4: Simplify right side
12,427,378.24x = 70,702,302,621,847.44 - Step 5: Solve for x
x = 70,702,302,621,847.44/12,427,378.24 - Step 6: Final answer
x = 5,689,237.20
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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.