Finding the Fourth Proportional to 12,750,961.68, 17,596,340.64 and 6,949,748.16
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Solution
The fourth proportional to 12,750,961.68, 17,596,340.64 and 6,949,748.16 is: 9,590,659.83
Step by Step Solution
- Step 1: Write the proportion equation
12,750,961.68 : 17,596,340.64 = 6,949,748.16 : x - Step 2: Convert to fraction form
12,750,961.68/17,596,340.64 = 6,949,748.16/x - Step 3: Cross multiply
12,750,961.68x = 17,596,340.64 × 6,949,748.16 - Step 4: Simplify right side
12,750,961.68x = 122,290,135,985,573.23 - Step 5: Solve for x
x = 122,290,135,985,573.23/12,750,961.68 - Step 6: Final answer
x = 9,590,659.83
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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.