Finding the Fourth Proportional to 7,134,929.20, 10,702,393.80 and 6,351,108.40
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Solution
The fourth proportional to 7,134,929.20, 10,702,393.80 and 6,351,108.40 is: 9,526,662.60
Step by Step Solution
- Step 1: Write the proportion equation
7,134,929.20 : 10,702,393.80 = 6,351,108.40 : x - Step 2: Convert to fraction form
7,134,929.20/10,702,393.80 = 6,351,108.40/x - Step 3: Cross multiply
7,134,929.20x = 10,702,393.80 × 6,351,108.40 - Step 4: Simplify right side
7,134,929.20x = 67,972,063,163,287.93 - Step 5: Solve for x
x = 67,972,063,163,287.93/7,134,929.20 - Step 6: Final answer
x = 9,526,662.60
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Similar ratio
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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.