Finding the Fourth Proportional to 7,395,416.80, 11,093,125.20 and 6,574,271.20
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Solution
The fourth proportional to 7,395,416.80, 11,093,125.20 and 6,574,271.20 is: 9,861,406.80
Step by Step Solution
- Step 1: Write the proportion equation
7,395,416.80 : 11,093,125.20 = 6,574,271.20 : x - Step 2: Convert to fraction form
7,395,416.80/11,093,125.20 = 6,574,271.20/x - Step 3: Cross multiply
7,395,416.80x = 11,093,125.20 × 6,574,271.20 - Step 4: Simplify right side
7,395,416.80x = 72,929,213,520,354.23 - Step 5: Solve for x
x = 72,929,213,520,354.23/7,395,416.80 - Step 6: Final answer
x = 9,861,406.80
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1.5x scale
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.