Finding the Fourth Proportional to 12,576,141.80, 18,864,212.70 and 3,600,693.80
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Solution
The fourth proportional to 12,576,141.80, 18,864,212.70 and 3,600,693.80 is: 5,401,040.70
Step by Step Solution
- Step 1: Write the proportion equation
12,576,141.80 : 18,864,212.70 = 3,600,693.80 : x - Step 2: Convert to fraction form
12,576,141.80/18,864,212.70 = 3,600,693.80/x - Step 3: Cross multiply
12,576,141.80x = 18,864,212.70 × 3,600,693.80 - Step 4: Simplify right side
12,576,141.80x = 67,924,253,710,771.25 - Step 5: Solve for x
x = 67,924,253,710,771.25/12,576,141.80 - Step 6: Final answer
x = 5,401,040.70
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1.5x scale
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.