Finding the Fourth Proportional to 38,184,128.99, 52,694,234.48 and 20,780,682.83
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Solution
The fourth proportional to 38,184,128.99, 52,694,234.48 and 20,780,682.83 is: 28,677,416.58
Step by Step Solution
- Step 1: Write the proportion equation
38,184,128.99 : 52,694,234.48 = 20,780,682.83 : x - Step 2: Convert to fraction form
38,184,128.99/52,694,234.48 = 20,780,682.83/x - Step 3: Cross multiply
38,184,128.99x = 52,694,234.48 × 20,780,682.83 - Step 4: Simplify right side
38,184,128.99x = 1,095,022,173,698,529.88 - Step 5: Solve for x
x = 1,095,022,173,698,529.88/38,184,128.99 - Step 6: Final answer
x = 28,677,416.58
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1.5x scale
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.