Finding the Fourth Proportional to 14,286,817.26, 19,716,174.52 and 7,760,820.20
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Solution
The fourth proportional to 14,286,817.26, 19,716,174.52 and 7,760,820.20 is: 10,710,131.07
Step by Step Solution
- Step 1: Write the proportion equation
14,286,817.26 : 19,716,174.52 = 7,760,820.20 : x - Step 2: Convert to fraction form
14,286,817.26/19,716,174.52 = 7,760,820.20/x - Step 3: Cross multiply
14,286,817.26x = 19,716,174.52 × 7,760,820.20 - Step 4: Simplify right side
14,286,817.26x = 153,013,685,481,541.31 - Step 5: Solve for x
x = 153,013,685,481,541.31/14,286,817.26 - Step 6: Final answer
x = 10,710,131.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.