Finding the Fourth Proportional to 11,113,465.99, 16,670,105.35 and 8,686,660.53
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Solution
The fourth proportional to 11,113,465.99, 16,670,105.35 and 8,686,660.53 is: 13,029,917.61
Step by Step Solution
- Step 1: Write the proportion equation
11,113,465.99 : 16,670,105.35 = 8,686,660.53 : x - Step 2: Convert to fraction form
11,113,465.99/16,670,105.35 = 8,686,660.53/x - Step 3: Cross multiply
11,113,465.99x = 16,670,105.35 × 8,686,660.53 - Step 4: Simplify right side
11,113,465.99x = 144,807,546,170,676.19 - Step 5: Solve for x
x = 144,807,546,170,676.19/11,113,465.99 - Step 6: Final answer
x = 13,029,917.61
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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.