Finding the Fourth Proportional to 7,042,126.05, 10,563,905.16 and 2,430,512.10
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Solution
The fourth proportional to 7,042,126.05, 10,563,905.16 and 2,430,512.10 is: 3,646,015.30
Step by Step Solution
- Step 1: Write the proportion equation
7,042,126.05 : 10,563,905.16 = 2,430,512.10 : x - Step 2: Convert to fraction form
7,042,126.05/10,563,905.16 = 2,430,512.10/x - Step 3: Cross multiply
7,042,126.05x = 10,563,905.16 × 2,430,512.10 - Step 4: Simplify right side
7,042,126.05x = 25,675,699,314,632.44 - Step 5: Solve for x
x = 25,675,699,314,632.44/7,042,126.05 - Step 6: Final answer
x = 3,646,015.30
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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.