Finding the Fourth Proportional to 7,429,974.76, 11,144,962.14 and 5,943,514.60
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Solution
The fourth proportional to 7,429,974.76, 11,144,962.14 and 5,943,514.60 is: 8,915,271.90
Step by Step Solution
- Step 1: Write the proportion equation
7,429,974.76 : 11,144,962.14 = 5,943,514.60 : x - Step 2: Convert to fraction form
7,429,974.76/11,144,962.14 = 5,943,514.60/x - Step 3: Cross multiply
7,429,974.76x = 11,144,962.14 × 5,943,514.60 - Step 4: Simplify right side
7,429,974.76x = 66,240,245,195,537.24 - Step 5: Solve for x
x = 66,240,245,195,537.24/7,429,974.76 - Step 6: Final answer
x = 8,915,271.90
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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.