Finding the Fourth Proportional to 22,093,331.24, 30,488,551.62 and 12,303,561.96
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Solution
The fourth proportional to 22,093,331.24, 30,488,551.62 and 12,303,561.96 is: 16,978,778.79
Step by Step Solution
- Step 1: Write the proportion equation
22,093,331.24 : 30,488,551.62 = 12,303,561.96 : x - Step 2: Convert to fraction form
22,093,331.24/30,488,551.62 = 12,303,561.96/x - Step 3: Cross multiply
22,093,331.24x = 30,488,551.62 × 12,303,561.96 - Step 4: Simplify right side
22,093,331.24x = 375,117,783,927,328.44 - Step 5: Solve for x
x = 375,117,783,927,328.44/22,093,331.24 - Step 6: Final answer
x = 16,978,778.79
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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.