Finding the Fourth Proportional to 32,389,449.60, 48,584,692.80 and 8,454,921.60
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Solution
The fourth proportional to 32,389,449.60, 48,584,692.80 and 8,454,921.60 is: 12,682,517.72
Step by Step Solution
- Step 1: Write the proportion equation
32,389,449.60 : 48,584,692.80 = 8,454,921.60 : x - Step 2: Convert to fraction form
32,389,449.60/48,584,692.80 = 8,454,921.60/x - Step 3: Cross multiply
32,389,449.60x = 48,584,692.80 × 8,454,921.60 - Step 4: Simplify right side
32,389,449.60x = 410,779,768,584,084.44 - Step 5: Solve for x
x = 410,779,768,584,084.44/32,389,449.60 - Step 6: Final answer
x = 12,682,517.72
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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.