Finding the Fourth Proportional to 36,031,531.36, 49,727,069.54 and 20,563,930.12
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Solution
The fourth proportional to 36,031,531.36, 49,727,069.54 and 20,563,930.12 is: 28,380,253.20
Step by Step Solution
- Step 1: Write the proportion equation
36,031,531.36 : 49,727,069.54 = 20,563,930.12 : x - Step 2: Convert to fraction form
36,031,531.36/49,727,069.54 = 20,563,930.12/x - Step 3: Cross multiply
36,031,531.36x = 49,727,069.54 × 20,563,930.12 - Step 4: Simplify right side
36,031,531.36x = 1,022,583,983,092,940.62 - Step 5: Solve for x
x = 1,022,583,983,092,940.62/36,031,531.36 - Step 6: Final answer
x = 28,380,253.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.