Finding the Fourth Proportional to 25,679,401.68, 38,535,794.10 and 11,120,539.44
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Solution
The fourth proportional to 25,679,401.68, 38,535,794.10 and 11,120,539.44 is: 16,688,037.50
Step by Step Solution
- Step 1: Write the proportion equation
25,679,401.68 : 38,535,794.10 = 11,120,539.44 : x - Step 2: Convert to fraction form
25,679,401.68/38,535,794.10 = 11,120,539.44/x - Step 3: Cross multiply
25,679,401.68x = 38,535,794.10 × 11,120,539.44 - Step 4: Simplify right side
25,679,401.68x = 428,538,818,140,769.31 - Step 5: Solve for x
x = 428,538,818,140,769.31/25,679,401.68 - Step 6: Final answer
x = 16,688,037.50
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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.