Finding the Fourth Proportional to 10,363,420.20, 15,545,130.30 and 3,270,786.60
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Solution
The fourth proportional to 10,363,420.20, 15,545,130.30 and 3,270,786.60 is: 4,906,179.90
Step by Step Solution
- Step 1: Write the proportion equation
10,363,420.20 : 15,545,130.30 = 3,270,786.60 : x - Step 2: Convert to fraction form
10,363,420.20/15,545,130.30 = 3,270,786.60/x - Step 3: Cross multiply
10,363,420.20x = 15,545,130.30 × 3,270,786.60 - Step 4: Simplify right side
10,363,420.20x = 50,844,803,880,493.98 - Step 5: Solve for x
x = 50,844,803,880,493.98/10,363,420.20 - Step 6: Final answer
x = 4,906,179.90
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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.