Finding the Fourth Proportional to 11,603,337.03, 17,405,109.23 and 4,778,289.99
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Solution
The fourth proportional to 11,603,337.03, 17,405,109.23 and 4,778,289.99 is: 7,167,477.68
Step by Step Solution
- Step 1: Write the proportion equation
11,603,337.03 : 17,405,109.23 = 4,778,289.99 : x - Step 2: Convert to fraction form
11,603,337.03/17,405,109.23 = 4,778,289.99/x - Step 3: Cross multiply
11,603,337.03x = 17,405,109.23 × 4,778,289.99 - Step 4: Simplify right side
11,603,337.03x = 83,166,659,184,674.17 - Step 5: Solve for x
x = 83,166,659,184,674.17/11,603,337.03 - Step 6: Final answer
x = 7,167,477.68
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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.