Finding the Fourth Proportional to 11,277,753.69, 15,563,132.33 and 6,383,903.79
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Solution
The fourth proportional to 11,277,753.69, 15,563,132.33 and 6,383,903.79 is: 8,809,692.26
Step by Step Solution
- Step 1: Write the proportion equation
11,277,753.69 : 15,563,132.33 = 6,383,903.79 : x - Step 2: Convert to fraction form
11,277,753.69/15,563,132.33 = 6,383,903.79/x - Step 3: Cross multiply
11,277,753.69x = 15,563,132.33 × 6,383,903.79 - Step 4: Simplify right side
11,277,753.69x = 99,353,539,433,839 - Step 5: Solve for x
x = 99,353,539,433,839/11,277,753.69 - Step 6: Final answer
x = 8,809,692.26
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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.