Finding the Fourth Proportional to 8,991,026.68, 12,407,611.44 and 4,916,645.68
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Solution
The fourth proportional to 8,991,026.68, 12,407,611.44 and 4,916,645.68 is: 6,784,968.10
Step by Step Solution
- Step 1: Write the proportion equation
8,991,026.68 : 12,407,611.44 = 4,916,645.68 : x - Step 2: Convert to fraction form
8,991,026.68/12,407,611.44 = 4,916,645.68/x - Step 3: Cross multiply
8,991,026.68x = 12,407,611.44 × 4,916,645.68 - Step 4: Simplify right side
8,991,026.68x = 61,003,829,185,594.57 - Step 5: Solve for x
x = 61,003,829,185,594.57/8,991,026.68 - Step 6: Final answer
x = 6,784,968.10
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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.