Finding the Fourth Proportional to 6,812,202.20, 10,218,303.30 and 6,546,481.70
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Solution
The fourth proportional to 6,812,202.20, 10,218,303.30 and 6,546,481.70 is: 9,819,722.55
Step by Step Solution
- Step 1: Write the proportion equation
6,812,202.20 : 10,218,303.30 = 6,546,481.70 : x - Step 2: Convert to fraction form
6,812,202.20/10,218,303.30 = 6,546,481.70/x - Step 3: Cross multiply
6,812,202.20x = 10,218,303.30 × 6,546,481.70 - Step 4: Simplify right side
6,812,202.20x = 66,893,935,558,499.62 - Step 5: Solve for x
x = 66,893,935,558,499.62/6,812,202.20 - Step 6: Final answer
x = 9,819,722.55
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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.