Finding the Fourth Proportional to 11,189,455.19, 15,441,425.39 and 6,294,680.81
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Solution
The fourth proportional to 11,189,455.19, 15,441,425.39 and 6,294,680.81 is: 8,686,646.70
Step by Step Solution
- Step 1: Write the proportion equation
11,189,455.19 : 15,441,425.39 = 6,294,680.81 : x - Step 2: Convert to fraction form
11,189,455.19/15,441,425.39 = 6,294,680.81/x - Step 3: Cross multiply
11,189,455.19x = 15,441,425.39 × 6,294,680.81 - Step 4: Simplify right side
11,189,455.19x = 97,198,844,050,006.36 - Step 5: Solve for x
x = 97,198,844,050,006.36/11,189,455.19 - Step 6: Final answer
x = 8,686,646.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.