Finding the Fourth Proportional to 10,609,610.72, 15,882,695.69 and 6,497,985.62
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Solution
The fourth proportional to 10,609,610.72, 15,882,695.69 and 6,497,985.62 is: 9,727,550.89
Step by Step Solution
- Step 1: Write the proportion equation
10,609,610.72 : 15,882,695.69 = 6,497,985.62 : x - Step 2: Convert to fraction form
10,609,610.72/15,882,695.69 = 6,497,985.62/x - Step 3: Cross multiply
10,609,610.72x = 15,882,695.69 × 6,497,985.62 - Step 4: Simplify right side
10,609,610.72x = 103,205,528,207,672.78 - Step 5: Solve for x
x = 103,205,528,207,672.78/10,609,610.72 - Step 6: Final answer
x = 9,727,550.89
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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.