Finding the Fourth Proportional to 6,863,647.08, 9,472,432.16 and 3,766,768.08
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Solution
The fourth proportional to 6,863,647.08, 9,472,432.16 and 3,766,768.08 is: 5,198,468.78
Step by Step Solution
- Step 1: Write the proportion equation
6,863,647.08 : 9,472,432.16 = 3,766,768.08 : x - Step 2: Convert to fraction form
6,863,647.08/9,472,432.16 = 3,766,768.08/x - Step 3: Cross multiply
6,863,647.08x = 9,472,432.16 × 3,766,768.08 - Step 4: Simplify right side
6,863,647.08x = 35,680,455,062,308.21 - Step 5: Solve for x
x = 35,680,455,062,308.21/6,863,647.08 - Step 6: Final answer
x = 5,198,468.78
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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.