Finding the Fourth Proportional to 11,021,023.36, 16,483,189.44 and 9,815,109.76
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Solution
The fourth proportional to 11,021,023.36, 16,483,189.44 and 9,815,109.76 is: 14,679,608.99
Step by Step Solution
- Step 1: Write the proportion equation
11,021,023.36 : 16,483,189.44 = 9,815,109.76 : x - Step 2: Convert to fraction form
11,021,023.36/16,483,189.44 = 9,815,109.76/x - Step 3: Cross multiply
11,021,023.36x = 16,483,189.44 × 9,815,109.76 - Step 4: Simplify right side
11,021,023.36x = 161,784,313,548,472.94 - Step 5: Solve for x
x = 161,784,313,548,472.94/11,021,023.36 - Step 6: Final answer
x = 14,679,608.99
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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.