Finding the Fourth Proportional to 10,866,124.80, 16,287,283.20 and 5,466,163.20
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Solution
The fourth proportional to 10,866,124.80, 16,287,283.20 and 5,466,163.20 is: 8,193,256.54
Step by Step Solution
- Step 1: Write the proportion equation
10,866,124.80 : 16,287,283.20 = 5,466,163.20 : x - Step 2: Convert to fraction form
10,866,124.80/16,287,283.20 = 5,466,163.20/x - Step 3: Cross multiply
10,866,124.80x = 16,287,283.20 × 5,466,163.20 - Step 4: Simplify right side
10,866,124.80x = 89,028,948,055,818.23 - Step 5: Solve for x
x = 89,028,948,055,818.23/10,866,124.80 - Step 6: Final answer
x = 8,193,256.54
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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.