Finding the Fourth Proportional to 48,498,439.80, 72,775,653.30 and 18,209,364.60
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Solution
The fourth proportional to 48,498,439.80, 72,775,653.30 and 18,209,364.60 is: 27,324,557.46
Step by Step Solution
- Step 1: Write the proportion equation
48,498,439.80 : 72,775,653.30 = 18,209,364.60 : x - Step 2: Convert to fraction form
48,498,439.80/72,775,653.30 = 18,209,364.60/x - Step 3: Cross multiply
48,498,439.80x = 72,775,653.30 × 18,209,364.60 - Step 4: Simplify right side
48,498,439.80x = 1,325,198,404,942,893.25 - Step 5: Solve for x
x = 1,325,198,404,942,893.25/48,498,439.80 - Step 6: Final answer
x = 27,324,557.46
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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.