Finding the Fourth Proportional to 38,337,318.24, 52,905,755.36 and 20,933,784.48
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Solution
The fourth proportional to 38,337,318.24, 52,905,755.36 and 20,933,784.48 is: 28,888,762.47
Step by Step Solution
- Step 1: Write the proportion equation
38,337,318.24 : 52,905,755.36 = 20,933,784.48 : x - Step 2: Convert to fraction form
38,337,318.24/52,905,755.36 = 20,933,784.48/x - Step 3: Cross multiply
38,337,318.24x = 52,905,755.36 × 20,933,784.48 - Step 4: Simplify right side
38,337,318.24x = 1,107,517,680,457,844.88 - Step 5: Solve for x
x = 1,107,517,680,457,844.88/38,337,318.24 - Step 6: Final answer
x = 28,888,762.47
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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.