Finding the Fourth Proportional to 8,408,915.98, 11,592,210.81 and 5,990,268.94
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Solution
The fourth proportional to 8,408,915.98, 11,592,210.81 and 5,990,268.94 is: 8,257,956.26
Step by Step Solution
- Step 1: Write the proportion equation
8,408,915.98 : 11,592,210.81 = 5,990,268.94 : x - Step 2: Convert to fraction form
8,408,915.98/11,592,210.81 = 5,990,268.94/x - Step 3: Cross multiply
8,408,915.98x = 11,592,210.81 × 5,990,268.94 - Step 4: Simplify right side
8,408,915.98x = 69,440,460,354,558.23 - Step 5: Solve for x
x = 69,440,460,354,558.23/8,408,915.98 - Step 6: Final answer
x = 8,257,956.26
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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.