Finding the Fourth Proportional to 25,395,656.56, 38,103,578.49 and 8,126,518.18
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Solution
The fourth proportional to 25,395,656.56, 38,103,578.49 and 8,126,518.18 is: 12,193,007.20
Step by Step Solution
- Step 1: Write the proportion equation
25,395,656.56 : 38,103,578.49 = 8,126,518.18 : x - Step 2: Convert to fraction form
25,395,656.56/38,103,578.49 = 8,126,518.18/x - Step 3: Cross multiply
25,395,656.56x = 38,103,578.49 × 8,126,518.18 - Step 4: Simplify right side
25,395,656.56x = 309,649,423,322,041.94 - Step 5: Solve for x
x = 309,649,423,322,041.94/25,395,656.56 - Step 6: Final answer
x = 12,193,007.20
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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.