Finding the Fourth Proportional to 12,958,716.06, 19,430,553.88 and 6,135,231.63
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Solution
The fourth proportional to 12,958,716.06, 19,430,553.88 and 6,135,231.63 is: 9,199,287.05
Step by Step Solution
- Step 1: Write the proportion equation
12,958,716.06 : 19,430,553.88 = 6,135,231.63 : x - Step 2: Convert to fraction form
12,958,716.06/19,430,553.88 = 6,135,231.63/x - Step 3: Cross multiply
12,958,716.06x = 19,430,553.88 × 6,135,231.63 - Step 4: Simplify right side
12,958,716.06x = 119,210,948,833,528.84 - Step 5: Solve for x
x = 119,210,948,833,528.84/12,958,716.06 - Step 6: Final answer
x = 9,199,287.05
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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.