Finding the Fourth Proportional to 7,684,231.28, 10,603,336.92 and 4,246,267.28
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Solution
The fourth proportional to 7,684,231.28, 10,603,336.92 and 4,246,267.28 is: 5,859,350.27
Step by Step Solution
- Step 1: Write the proportion equation
7,684,231.28 : 10,603,336.92 = 4,246,267.28 : x - Step 2: Convert to fraction form
7,684,231.28/10,603,336.92 = 4,246,267.28/x - Step 3: Cross multiply
7,684,231.28x = 10,603,336.92 × 4,246,267.28 - Step 4: Simplify right side
7,684,231.28x = 45,024,602,622,211.98 - Step 5: Solve for x
x = 45,024,602,622,211.98/7,684,231.28 - Step 6: Final answer
x = 5,859,350.27
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.