Finding the Fourth Proportional to 6,717,518.90, 10,076,278.35 and 6,456,245.30
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Solution
The fourth proportional to 6,717,518.90, 10,076,278.35 and 6,456,245.30 is: 9,684,367.95
Step by Step Solution
- Step 1: Write the proportion equation
6,717,518.90 : 10,076,278.35 = 6,456,245.30 : x - Step 2: Convert to fraction form
6,717,518.90/10,076,278.35 = 6,456,245.30/x - Step 3: Cross multiply
6,717,518.90x = 10,076,278.35 × 6,456,245.30 - Step 4: Simplify right side
6,717,518.90x = 65,054,924,738,679.25 - Step 5: Solve for x
x = 65,054,924,738,679.25/6,717,518.90 - Step 6: Final answer
x = 9,684,367.95
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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.