Finding the Fourth Proportional to 13,520,564.26, 20,266,674.63 and 4,995,463.30
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Solution
The fourth proportional to 13,520,564.26, 20,266,674.63 and 4,995,463.30 is: 7,487,958.89
Step by Step Solution
- Step 1: Write the proportion equation
13,520,564.26 : 20,266,674.63 = 4,995,463.30 : x - Step 2: Convert to fraction form
13,520,564.26/20,266,674.63 = 4,995,463.30/x - Step 3: Cross multiply
13,520,564.26x = 20,266,674.63 × 4,995,463.30 - Step 4: Simplify right side
13,520,564.26x = 101,241,429,327,206.06 - Step 5: Solve for x
x = 101,241,429,327,206.06/13,520,564.26 - Step 6: Final answer
x = 7,487,958.89
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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.