Finding the Fourth Proportional to 7,276,918.14, 10,042,194.33 and 4,013,820.99
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Solution
The fourth proportional to 7,276,918.14, 10,042,194.33 and 4,013,820.99 is: 5,539,099.05
Step by Step Solution
- Step 1: Write the proportion equation
7,276,918.14 : 10,042,194.33 = 4,013,820.99 : x - Step 2: Convert to fraction form
7,276,918.14/10,042,194.33 = 4,013,820.99/x - Step 3: Cross multiply
7,276,918.14x = 10,042,194.33 × 4,013,820.99 - Step 4: Simplify right side
7,276,918.14x = 40,307,570,387,412.99 - Step 5: Solve for x
x = 40,307,570,387,412.99/7,276,918.14 - Step 6: Final answer
x = 5,539,099.05
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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.