Finding the Fourth Proportional to 7,903,817.68, 10,907,266.26 and 4,282,145.68
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Solution
The fourth proportional to 7,903,817.68, 10,907,266.26 and 4,282,145.68 is: 5,909,359.88
Step by Step Solution
- Step 1: Write the proportion equation
7,903,817.68 : 10,907,266.26 = 4,282,145.68 : x - Step 2: Convert to fraction form
7,903,817.68/10,907,266.26 = 4,282,145.68/x - Step 3: Cross multiply
7,903,817.68x = 10,907,266.26 × 4,282,145.68 - Step 4: Simplify right side
7,903,817.68x = 46,706,503,095,868.75 - Step 5: Solve for x
x = 46,706,503,095,868.75/7,903,817.68 - Step 6: Final answer
x = 5,909,359.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.