Finding the Fourth Proportional to 35,382,124.56, 48,827,231.73 and 19,912,208.76
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Solution
The fourth proportional to 35,382,124.56, 48,827,231.73 and 19,912,208.76 is: 27,478,791.72
Step by Step Solution
- Step 1: Write the proportion equation
35,382,124.56 : 48,827,231.73 = 19,912,208.76 : x - Step 2: Convert to fraction form
35,382,124.56/48,827,231.73 = 19,912,208.76/x - Step 3: Cross multiply
35,382,124.56x = 48,827,231.73 × 19,912,208.76 - Step 4: Simplify right side
35,382,124.56x = 972,258,031,380,656 - Step 5: Solve for x
x = 972,258,031,380,656/35,382,124.56 - Step 6: Final answer
x = 27,478,791.72
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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.