Finding the Fourth Proportional to 40,939,845.96, 56,497,261.14 and 22,355,115.24
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Solution
The fourth proportional to 40,939,845.96, 56,497,261.14 and 22,355,115.24 is: 30,850,208.49
Step by Step Solution
- Step 1: Write the proportion equation
40,939,845.96 : 56,497,261.14 = 22,355,115.24 : x - Step 2: Convert to fraction form
40,939,845.96/56,497,261.14 = 22,355,115.24/x - Step 3: Cross multiply
40,939,845.96x = 56,497,261.14 × 22,355,115.24 - Step 4: Simplify right side
40,939,845.96x = 1,263,002,783,529,073.75 - Step 5: Solve for x
x = 1,263,002,783,529,073.75/40,939,845.96 - Step 6: Final answer
x = 30,850,208.49
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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.