Finding the Fourth Proportional to 15,139,378.42, 22,701,087.81 and 6,609,750.37
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Solution
The fourth proportional to 15,139,378.42, 22,701,087.81 and 6,609,750.37 is: 9,911,141.62
Step by Step Solution
- Step 1: Write the proportion equation
15,139,378.42 : 22,701,087.81 = 6,609,750.37 : x - Step 2: Convert to fraction form
15,139,378.42/22,701,087.81 = 6,609,750.37/x - Step 3: Cross multiply
15,139,378.42x = 22,701,087.81 × 6,609,750.37 - Step 4: Simplify right side
15,139,378.42x = 150,048,523,551,549.97 - Step 5: Solve for x
x = 150,048,523,551,549.97/15,139,378.42 - Step 6: Final answer
x = 9,911,141.62
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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.