Finding the Fourth Proportional to 10,749,195.75, 14,833,890.14 and 5,920,299.75
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Solution
The fourth proportional to 10,749,195.75, 14,833,890.14 and 5,920,299.75 is: 8,170,013.66
Step by Step Solution
- Step 1: Write the proportion equation
10,749,195.75 : 14,833,890.14 = 5,920,299.75 : x - Step 2: Convert to fraction form
10,749,195.75/14,833,890.14 = 5,920,299.75/x - Step 3: Cross multiply
10,749,195.75x = 14,833,890.14 × 5,920,299.75 - Step 4: Simplify right side
10,749,195.75x = 87,821,076,057,767.97 - Step 5: Solve for x
x = 87,821,076,057,767.97/10,749,195.75 - Step 6: Final answer
x = 8,170,013.66
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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.