Finding the Fourth Proportional to 13,419,767.96, 20,129,089.68 and 4,321,664.18
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Solution
The fourth proportional to 13,419,767.96, 20,129,089.68 and 4,321,664.18 is: 6,482,315.20
Step by Step Solution
- Step 1: Write the proportion equation
13,419,767.96 : 20,129,089.68 = 4,321,664.18 : x - Step 2: Convert to fraction form
13,419,767.96/20,129,089.68 = 4,321,664.18/x - Step 3: Cross multiply
13,419,767.96x = 20,129,089.68 × 4,321,664.18 - Step 4: Simplify right side
13,419,767.96x = 86,991,165,846,063.66 - Step 5: Solve for x
x = 86,991,165,846,063.66/13,419,767.96 - Step 6: Final answer
x = 6,482,315.20
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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.