Finding the Fourth Proportional to 13,028,480.10, 19,542,720.15 and 8,997,401.70
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Solution
The fourth proportional to 13,028,480.10, 19,542,720.15 and 8,997,401.70 is: 13,496,102.55
Step by Step Solution
- Step 1: Write the proportion equation
13,028,480.10 : 19,542,720.15 = 8,997,401.70 : x - Step 2: Convert to fraction form
13,028,480.10/19,542,720.15 = 8,997,401.70/x - Step 3: Cross multiply
13,028,480.10x = 19,542,720.15 × 8,997,401.70 - Step 4: Simplify right side
13,028,480.10x = 175,833,703,500,234.22 - Step 5: Solve for x
x = 175,833,703,500,234.22/13,028,480.10 - Step 6: Final answer
x = 13,496,102.55
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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.