Finding the Fourth Proportional to 12,563,184.44, 17,332,779.63 and 8,214,816.08
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Solution
The fourth proportional to 12,563,184.44, 17,332,779.63 and 8,214,816.08 is: 11,333,559.38
Step by Step Solution
- Step 1: Write the proportion equation
12,563,184.44 : 17,332,779.63 = 8,214,816.08 : x - Step 2: Convert to fraction form
12,563,184.44/17,332,779.63 = 8,214,816.08/x - Step 3: Cross multiply
12,563,184.44x = 17,332,779.63 × 8,214,816.08 - Step 4: Simplify right side
12,563,184.44x = 142,385,596,889,757.94 - Step 5: Solve for x
x = 142,385,596,889,757.94/12,563,184.44 - Step 6: Final answer
x = 11,333,559.38
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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.