Finding the Fourth Proportional to 14,080,121.88, 19,430,576.14 and 7,641,593.88
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Solution
The fourth proportional to 14,080,121.88, 19,430,576.14 and 7,641,593.88 is: 10,545,403.87
Step by Step Solution
- Step 1: Write the proportion equation
14,080,121.88 : 19,430,576.14 = 7,641,593.88 : x - Step 2: Convert to fraction form
14,080,121.88/19,430,576.14 = 7,641,593.88/x - Step 3: Cross multiply
14,080,121.88x = 19,430,576.14 × 7,641,593.88 - Step 4: Simplify right side
14,080,121.88x = 148,480,571,716,298.03 - Step 5: Solve for x
x = 148,480,571,716,298.03/14,080,121.88 - Step 6: Final answer
x = 10,545,403.87
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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.