Finding the Fourth Proportional to 13,045,433.04, 18,003,148.08 and 7,244,311.92
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Solution
The fourth proportional to 13,045,433.04, 18,003,148.08 and 7,244,311.92 is: 9,997,400.61
Step by Step Solution
- Step 1: Write the proportion equation
13,045,433.04 : 18,003,148.08 = 7,244,311.92 : x - Step 2: Convert to fraction form
13,045,433.04/18,003,148.08 = 7,244,311.92/x - Step 3: Cross multiply
13,045,433.04x = 18,003,148.08 × 7,244,311.92 - Step 4: Simplify right side
13,045,433.04x = 130,420,420,233,469.09 - Step 5: Solve for x
x = 130,420,420,233,469.09/13,045,433.04 - Step 6: Final answer
x = 9,997,400.61
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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.