Finding the Fourth Proportional to 43,117,762.20, 64,685,628.90 and 14,372,827.80
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Solution
The fourth proportional to 43,117,762.20, 64,685,628.90 and 14,372,827.80 is: 21,562,236.95
Step by Step Solution
- Step 1: Write the proportion equation
43,117,762.20 : 64,685,628.90 = 14,372,827.80 : x - Step 2: Convert to fraction form
43,117,762.20/64,685,628.90 = 14,372,827.80/x - Step 3: Cross multiply
43,117,762.20x = 64,685,628.90 × 14,372,827.80 - Step 4: Simplify right side
43,117,762.20x = 929,715,405,314,403.50 - Step 5: Solve for x
x = 929,715,405,314,403.50/43,117,762.20 - Step 6: Final answer
x = 21,562,236.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.