Finding the Fourth Proportional to 7,621,679.08, 11,421,841.50 and 5,727,211.24
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Solution
The fourth proportional to 7,621,679.08, 11,421,841.50 and 5,727,211.24 is: 8,582,793.68
Step by Step Solution
- Step 1: Write the proportion equation
7,621,679.08 : 11,421,841.50 = 5,727,211.24 : x - Step 2: Convert to fraction form
7,621,679.08/11,421,841.50 = 5,727,211.24/x - Step 3: Cross multiply
7,621,679.08x = 11,421,841.50 × 5,727,211.24 - Step 4: Simplify right side
7,621,679.08x = 65,415,299,020,298.46 - Step 5: Solve for x
x = 65,415,299,020,298.46/7,621,679.08 - Step 6: Final answer
x = 8,582,793.68
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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.