Finding the Fourth Proportional to 10,692,161.20, 16,014,622.20 and 4,299,122.80
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Solution
The fourth proportional to 10,692,161.20, 16,014,622.20 and 4,299,122.80 is: 6,439,187.19
Step by Step Solution
- Step 1: Write the proportion equation
10,692,161.20 : 16,014,622.20 = 4,299,122.80 : x - Step 2: Convert to fraction form
10,692,161.20/16,014,622.20 = 4,299,122.80/x - Step 3: Cross multiply
10,692,161.20x = 16,014,622.20 × 4,299,122.80 - Step 4: Simplify right side
10,692,161.20x = 68,848,827,433,406.16 - Step 5: Solve for x
x = 68,848,827,433,406.16/10,692,161.20 - Step 6: Final answer
x = 6,439,187.19
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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.