Finding the Fourth Proportional to 11,135,422.10, 16,703,133.15 and 8,615,998.10
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Solution
The fourth proportional to 11,135,422.10, 16,703,133.15 and 8,615,998.10 is: 12,923,997.15
Step by Step Solution
- Step 1: Write the proportion equation
11,135,422.10 : 16,703,133.15 = 8,615,998.10 : x - Step 2: Convert to fraction form
11,135,422.10/16,703,133.15 = 8,615,998.10/x - Step 3: Cross multiply
11,135,422.10x = 16,703,133.15 × 8,615,998.10 - Step 4: Simplify right side
11,135,422.10x = 143,914,163,484,447 - Step 5: Solve for x
x = 143,914,163,484,447/11,135,422.10 - Step 6: Final answer
x = 12,923,997.15
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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.