Finding the Fourth Proportional to 43,177,843.20, 59,544,201.36 and 28,270,922.40
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Solution
The fourth proportional to 43,177,843.20, 59,544,201.36 and 28,270,922.40 is: 38,986,882.42
Step by Step Solution
- Step 1: Write the proportion equation
43,177,843.20 : 59,544,201.36 = 28,270,922.40 : x - Step 2: Convert to fraction form
43,177,843.20/59,544,201.36 = 28,270,922.40/x - Step 3: Cross multiply
43,177,843.20x = 59,544,201.36 × 28,270,922.40 - Step 4: Simplify right side
43,177,843.20x = 1,683,369,496,018,534.25 - Step 5: Solve for x
x = 1,683,369,496,018,534.25/43,177,843.20 - Step 6: Final answer
x = 38,986,882.42
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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.