Finding the Fourth Proportional to 11,034,258.12, 15,227,037.42 and 6,388,239.06
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Solution
The fourth proportional to 11,034,258.12, 15,227,037.42 and 6,388,239.06 is: 8,815,631.66
Step by Step Solution
- Step 1: Write the proportion equation
11,034,258.12 : 15,227,037.42 = 6,388,239.06 : x - Step 2: Convert to fraction form
11,034,258.12/15,227,037.42 = 6,388,239.06/x - Step 3: Cross multiply
11,034,258.12x = 15,227,037.42 × 6,388,239.06 - Step 4: Simplify right side
11,034,258.12x = 97,273,955,214,525.62 - Step 5: Solve for x
x = 97,273,955,214,525.62/11,034,258.12 - Step 6: Final answer
x = 8,815,631.66
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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.