Finding the Fourth Proportional to 8,090,410.90, 12,135,616.35 and 4,915,729.30
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Solution
The fourth proportional to 8,090,410.90, 12,135,616.35 and 4,915,729.30 is: 7,373,593.95
Step by Step Solution
- Step 1: Write the proportion equation
8,090,410.90 : 12,135,616.35 = 4,915,729.30 : x - Step 2: Convert to fraction form
8,090,410.90/12,135,616.35 = 4,915,729.30/x - Step 3: Cross multiply
8,090,410.90x = 12,135,616.35 × 4,915,729.30 - Step 4: Simplify right side
8,090,410.90x = 59,655,404,865,254.05 - Step 5: Solve for x
x = 59,655,404,865,254.05/8,090,410.90 - Step 6: Final answer
x = 7,373,593.95
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.