Finding the Fourth Proportional to 50,649,163.74, 69,899,393.21 and 28,624,698.63
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Solution
The fourth proportional to 50,649,163.74, 69,899,393.21 and 28,624,698.63 is: 39,504,088.86
Step by Step Solution
- Step 1: Write the proportion equation
50,649,163.74 : 69,899,393.21 = 28,624,698.63 : x - Step 2: Convert to fraction form
50,649,163.74/69,899,393.21 = 28,624,698.63/x - Step 3: Cross multiply
50,649,163.74x = 69,899,393.21 × 28,624,698.63 - Step 4: Simplify right side
50,649,163.74x = 2,000,849,064,912,994.75 - Step 5: Solve for x
x = 2,000,849,064,912,994.75/50,649,163.74 - Step 6: Final answer
x = 39,504,088.86
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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.