Finding the Fourth Proportional to 11,452,121.36, 15,803,615.40 and 6,295,484.24
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Solution
The fourth proportional to 11,452,121.36, 15,803,615.40 and 6,295,484.24 is: 8,687,596.70
Step by Step Solution
- Step 1: Write the proportion equation
11,452,121.36 : 15,803,615.40 = 6,295,484.24 : x - Step 2: Convert to fraction form
11,452,121.36/15,803,615.40 = 6,295,484.24/x - Step 3: Cross multiply
11,452,121.36x = 15,803,615.40 × 6,295,484.24 - Step 4: Simplify right side
11,452,121.36x = 99,491,411,685,721.30 - Step 5: Solve for x
x = 99,491,411,685,721.30/11,452,121.36 - Step 6: Final answer
x = 8,687,596.70
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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.