Finding the Fourth Proportional to 13,432,105.53, 20,146,189.86 and 6,606,846.68
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Solution
The fourth proportional to 13,432,105.53, 20,146,189.86 and 6,606,846.68 is: 9,909,301.80
Step by Step Solution
- Step 1: Write the proportion equation
13,432,105.53 : 20,146,189.86 = 6,606,846.68 : x - Step 2: Convert to fraction form
13,432,105.53/20,146,189.86 = 6,606,846.68/x - Step 3: Cross multiply
13,432,105.53x = 20,146,189.86 × 6,606,846.68 - Step 4: Simplify right side
13,432,105.53x = 133,102,787,490,459.70 - Step 5: Solve for x
x = 133,102,787,490,459.70/13,432,105.53 - Step 6: Final answer
x = 9,909,301.80
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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.