Finding the Fourth Proportional to 14,234,784.21, 21,347,759.79 and 5,135,698.62
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Solution
The fourth proportional to 14,234,784.21, 21,347,759.79 and 5,135,698.62 is: 7,701,954.51
Step by Step Solution
- Step 1: Write the proportion equation
14,234,784.21 : 21,347,759.79 = 5,135,698.62 : x - Step 2: Convert to fraction form
14,234,784.21/21,347,759.79 = 5,135,698.62/x - Step 3: Cross multiply
14,234,784.21x = 21,347,759.79 × 5,135,698.62 - Step 4: Simplify right side
14,234,784.21x = 109,635,660,493,594.48 - Step 5: Solve for x
x = 109,635,660,493,594.48/14,234,784.21 - Step 6: Final answer
x = 7,701,954.51
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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.