Finding the Fourth Proportional to 8,293,474.68, 12,445,817.43 and 2,902,172.81
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Solution
The fourth proportional to 8,293,474.68, 12,445,817.43 and 2,902,172.81 is: 4,355,220.73
Step by Step Solution
- Step 1: Write the proportion equation
8,293,474.68 : 12,445,817.43 = 2,902,172.81 : x - Step 2: Convert to fraction form
8,293,474.68/12,445,817.43 = 2,902,172.81/x - Step 3: Cross multiply
8,293,474.68x = 12,445,817.43 × 2,902,172.81 - Step 4: Simplify right side
8,293,474.68x = 36,119,912,881,340.99 - Step 5: Solve for x
x = 36,119,912,881,340.99/8,293,474.68 - Step 6: Final answer
x = 4,355,220.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.