Finding the Fourth Proportional to 33,236,209.16, 45,873,621.36 and 19,489,601.96
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Solution
The fourth proportional to 33,236,209.16, 45,873,621.36 and 19,489,601.96 is: 26,900,138.23
Step by Step Solution
- Step 1: Write the proportion equation
33,236,209.16 : 45,873,621.36 = 19,489,601.96 : x - Step 2: Convert to fraction form
33,236,209.16/45,873,621.36 = 19,489,601.96/x - Step 3: Cross multiply
33,236,209.16x = 45,873,621.36 × 19,489,601.96 - Step 4: Simplify right side
33,236,209.16x = 894,058,620,770,153.88 - Step 5: Solve for x
x = 894,058,620,770,153.88/33,236,209.16 - Step 6: Final answer
x = 26,900,138.23
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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.