Finding the Fourth Proportional to 11,401,190.98, 15,733,685.86 and 6,174,202.19
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Solution
The fourth proportional to 11,401,190.98, 15,733,685.86 and 6,174,202.19 is: 8,520,421.93
Step by Step Solution
- Step 1: Write the proportion equation
11,401,190.98 : 15,733,685.86 = 6,174,202.19 : x - Step 2: Convert to fraction form
11,401,190.98/15,733,685.86 = 6,174,202.19/x - Step 3: Cross multiply
11,401,190.98x = 15,733,685.86 × 6,174,202.19 - Step 4: Simplify right side
11,401,190.98x = 97,142,957,599,480.09 - Step 5: Solve for x
x = 97,142,957,599,480.09/11,401,190.98 - Step 6: Final answer
x = 8,520,421.93
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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.