Finding the Fourth Proportional to 44,203,476.80, 66,305,215.20 and 13,911,339.80
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Solution
The fourth proportional to 44,203,476.80, 66,305,215.20 and 13,911,339.80 is: 20,867,009.70
Step by Step Solution
- Step 1: Write the proportion equation
44,203,476.80 : 66,305,215.20 = 13,911,339.80 : x - Step 2: Convert to fraction form
44,203,476.80/66,305,215.20 = 13,911,339.80/x - Step 3: Cross multiply
44,203,476.80x = 66,305,215.20 × 13,911,339.80 - Step 4: Simplify right side
44,203,476.80x = 922,394,379,159,325 - Step 5: Solve for x
x = 922,394,379,159,325/44,203,476.80 - Step 6: Final answer
x = 20,867,009.70
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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.