Finding the Fourth Proportional to 10,414,955.16, 15,614,865.92 and 4,351,420.96
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Solution
The fourth proportional to 10,414,955.16, 15,614,865.92 and 4,351,420.96 is: 6,523,969.99
Step by Step Solution
- Step 1: Write the proportion equation
10,414,955.16 : 15,614,865.92 = 4,351,420.96 : x - Step 2: Convert to fraction form
10,414,955.16/15,614,865.92 = 4,351,420.96/x - Step 3: Cross multiply
10,414,955.16x = 15,614,865.92 × 4,351,420.96 - Step 4: Simplify right side
10,414,955.16x = 67,946,854,911,552.69 - Step 5: Solve for x
x = 67,946,854,911,552.69/10,414,955.16 - Step 6: Final answer
x = 6,523,969.99
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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.