Finding the Fourth Proportional to 10,743,985.31, 16,121,576.68 and 4,758,953.63
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Solution
The fourth proportional to 10,743,985.31, 16,121,576.68 and 4,758,953.63 is: 7,140,910.34
Step by Step Solution
- Step 1: Write the proportion equation
10,743,985.31 : 16,121,576.68 = 4,758,953.63 : x - Step 2: Convert to fraction form
10,743,985.31/16,121,576.68 = 4,758,953.63/x - Step 3: Cross multiply
10,743,985.31x = 16,121,576.68 × 4,758,953.63 - Step 4: Simplify right side
10,743,985.31x = 76,721,835,770,104.08 - Step 5: Solve for x
x = 76,721,835,770,104.08/10,743,985.31 - Step 6: Final answer
x = 7,140,910.34
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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.