Finding the Fourth Proportional to 11,125,904.85, 16,690,741.34 and 3,837,385.53
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Solution
The fourth proportional to 11,125,904.85, 16,690,741.34 and 3,837,385.53 is: 5,756,728.12
Step by Step Solution
- Step 1: Write the proportion equation
11,125,904.85 : 16,690,741.34 = 3,837,385.53 : x - Step 2: Convert to fraction form
11,125,904.85/16,690,741.34 = 3,837,385.53/x - Step 3: Cross multiply
11,125,904.85x = 16,690,741.34 × 3,837,385.53 - Step 4: Simplify right side
11,125,904.85x = 64,048,809,283,901.88 - Step 5: Solve for x
x = 64,048,809,283,901.88/11,125,904.85 - Step 6: Final answer
x = 5,756,728.12
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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.