Finding the Fourth Proportional to 38,500,634.88, 53,130,876.13 and 22,203,110.88
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Solution
The fourth proportional to 38,500,634.88, 53,130,876.13 and 22,203,110.88 is: 30,640,293.01
Step by Step Solution
- Step 1: Write the proportion equation
38,500,634.88 : 53,130,876.13 = 22,203,110.88 : x - Step 2: Convert to fraction form
38,500,634.88/53,130,876.13 = 22,203,110.88/x - Step 3: Cross multiply
38,500,634.88x = 53,130,876.13 × 22,203,110.88 - Step 4: Simplify right side
38,500,634.88x = 1,179,670,733,865,935.25 - Step 5: Solve for x
x = 1,179,670,733,865,935.25/38,500,634.88 - Step 6: Final answer
x = 30,640,293.01
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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.