Finding the Fourth Proportional to 32,274,847.20, 48,356,283.60 and 20,909,445.60
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Solution
The fourth proportional to 32,274,847.20, 48,356,283.60 and 20,909,445.60 is: 31,327,896.77
Step by Step Solution
- Step 1: Write the proportion equation
32,274,847.20 : 48,356,283.60 = 20,909,445.60 : x - Step 2: Convert to fraction form
32,274,847.20/48,356,283.60 = 20,909,445.60/x - Step 3: Cross multiply
32,274,847.20x = 48,356,283.60 × 20,909,445.60 - Step 4: Simplify right side
32,274,847.20x = 1,011,103,081,352,372.25 - Step 5: Solve for x
x = 1,011,103,081,352,372.25/32,274,847.20 - Step 6: Final answer
x = 31,327,896.77
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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.