Finding the Fourth Proportional to 48,690,872.36, 73,037,137.98 and 18,412,994.60
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Solution
The fourth proportional to 48,690,872.36, 73,037,137.98 and 18,412,994.60 is: 27,619,805.56
Step by Step Solution
- Step 1: Write the proportion equation
48,690,872.36 : 73,037,137.98 = 18,412,994.60 : x - Step 2: Convert to fraction form
48,690,872.36/73,037,137.98 = 18,412,994.60/x - Step 3: Cross multiply
48,690,872.36x = 73,037,137.98 × 18,412,994.60 - Step 4: Simplify right side
48,690,872.36x = 1,344,832,427,225,195 - Step 5: Solve for x
x = 1,344,832,427,225,195/48,690,872.36 - Step 6: Final answer
x = 27,619,805.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.