Finding the Fourth Proportional to 7,450,542.55, 11,175,813.83 and 2,663,636.95
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Solution
The fourth proportional to 7,450,542.55, 11,175,813.83 and 2,663,636.95 is: 3,995,455.43
Step by Step Solution
- Step 1: Write the proportion equation
7,450,542.55 : 11,175,813.83 = 2,663,636.95 : x - Step 2: Convert to fraction form
7,450,542.55/11,175,813.83 = 2,663,636.95/x - Step 3: Cross multiply
7,450,542.55x = 11,175,813.83 × 2,663,636.95 - Step 4: Simplify right side
7,450,542.55x = 29,768,310,650,590.83 - Step 5: Solve for x
x = 29,768,310,650,590.83/7,450,542.55 - Step 6: Final answer
x = 3,995,455.43
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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.