Finding the Fourth Proportional to 10,609,431.16, 15,882,425.86 and 6,497,805.22
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Solution
The fourth proportional to 10,609,431.16, 15,882,425.86 and 6,497,805.22 is: 9,727,280.20
Step by Step Solution
- Step 1: Write the proportion equation
10,609,431.16 : 15,882,425.86 = 6,497,805.22 : x - Step 2: Convert to fraction form
10,609,431.16/15,882,425.86 = 6,497,805.22/x - Step 3: Cross multiply
10,609,431.16x = 15,882,425.86 × 6,497,805.22 - Step 4: Simplify right side
10,609,431.16x = 103,200,909,659,370.98 - Step 5: Solve for x
x = 103,200,909,659,370.98/10,609,431.16 - Step 6: Final answer
x = 9,727,280.20
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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.