Finding the Fourth Proportional to 13,362,854.96, 20,037,750.60 and 9,321,278.96
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Solution
The fourth proportional to 13,362,854.96, 20,037,750.60 and 9,321,278.96 is: 13,977,362.15
Step by Step Solution
- Step 1: Write the proportion equation
13,362,854.96 : 20,037,750.60 = 9,321,278.96 : x - Step 2: Convert to fraction form
13,362,854.96/20,037,750.60 = 9,321,278.96/x - Step 3: Cross multiply
13,362,854.96x = 20,037,750.60 × 9,321,278.96 - Step 4: Simplify right side
13,362,854.96x = 186,777,463,073,507.41 - Step 5: Solve for x
x = 186,777,463,073,507.41/13,362,854.96 - Step 6: Final answer
x = 13,977,362.15
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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.