Finding the Fourth Proportional to 35,171,390.42, 48,539,211.42 and 22,129,828.28
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Solution
The fourth proportional to 35,171,390.42, 48,539,211.42 and 22,129,828.28 is: 30,540,857.23
Step by Step Solution
- Step 1: Write the proportion equation
35,171,390.42 : 48,539,211.42 = 22,129,828.28 : x - Step 2: Convert to fraction form
35,171,390.42/48,539,211.42 = 22,129,828.28/x - Step 3: Cross multiply
35,171,390.42x = 48,539,211.42 × 22,129,828.28 - Step 4: Simplify right side
35,171,390.42x = 1,074,164,413,571,215 - Step 5: Solve for x
x = 1,074,164,413,571,215/35,171,390.42 - Step 6: Final answer
x = 30,540,857.23
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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.