Finding the Fourth Proportional to 48,396,455.05, 66,786,267.07 and 26,370,135.46
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Solution
The fourth proportional to 48,396,455.05, 66,786,267.07 and 26,370,135.46 is: 36,390,328.75
Step by Step Solution
- Step 1: Write the proportion equation
48,396,455.05 : 66,786,267.07 = 26,370,135.46 : x - Step 2: Convert to fraction form
48,396,455.05/66,786,267.07 = 26,370,135.46/x - Step 3: Cross multiply
48,396,455.05x = 66,786,267.07 × 26,370,135.46 - Step 4: Simplify right side
48,396,455.05x = 1,761,162,909,670,603 - Step 5: Solve for x
x = 1,761,162,909,670,603/48,396,455.05 - Step 6: Final answer
x = 36,390,328.75
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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.