Finding the Fourth Proportional to 8,892,331.68, 12,266,684.16 and 5,408,735.94
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Solution
The fourth proportional to 8,892,331.68, 12,266,684.16 and 5,408,735.94 is: 7,461,176.42
Step by Step Solution
- Step 1: Write the proportion equation
8,892,331.68 : 12,266,684.16 = 5,408,735.94 : x - Step 2: Convert to fraction form
8,892,331.68/12,266,684.16 = 5,408,735.94/x - Step 3: Cross multiply
8,892,331.68x = 12,266,684.16 × 5,408,735.94 - Step 4: Simplify right side
8,892,331.68x = 66,347,255,480,820.72 - Step 5: Solve for x
x = 66,347,255,480,820.72/8,892,331.68 - Step 6: Final answer
x = 7,461,176.42
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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.