Finding the Fourth Proportional to 10,778,118.24, 16,153,174.08 and 4,380,919.68
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Solution
The fourth proportional to 10,778,118.24, 16,153,174.08 and 4,380,919.68 is: 6,565,687.69
Step by Step Solution
- Step 1: Write the proportion equation
10,778,118.24 : 16,153,174.08 = 4,380,919.68 : x - Step 2: Convert to fraction form
10,778,118.24/16,153,174.08 = 4,380,919.68/x - Step 3: Cross multiply
10,778,118.24x = 16,153,174.08 × 4,380,919.68 - Step 4: Simplify right side
10,778,118.24x = 70,765,758,221,537.89 - Step 5: Solve for x
x = 70,765,758,221,537.89/10,778,118.24 - Step 6: Final answer
x = 6,565,687.69
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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.