Finding the Fourth Proportional to 18,958,159.08, 28,420,168.17 and 6,819,089.82
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Solution
The fourth proportional to 18,958,159.08, 28,420,168.17 and 6,819,089.82 is: 10,222,494.63
Step by Step Solution
- Step 1: Write the proportion equation
18,958,159.08 : 28,420,168.17 = 6,819,089.82 : x - Step 2: Convert to fraction form
18,958,159.08/28,420,168.17 = 6,819,089.82/x - Step 3: Cross multiply
18,958,159.08x = 28,420,168.17 × 6,819,089.82 - Step 4: Simplify right side
18,958,159.08x = 193,799,679,450,735.06 - Step 5: Solve for x
x = 193,799,679,450,735.06/18,958,159.08 - Step 6: Final answer
x = 10,222,494.63
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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.