Finding the Fourth Proportional to 28,658,883.24, 39,548,868.36 and 16,268,868.48
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Solution
The fourth proportional to 28,658,883.24, 39,548,868.36 and 16,268,868.48 is: 22,450,816.82
Step by Step Solution
- Step 1: Write the proportion equation
28,658,883.24 : 39,548,868.36 = 16,268,868.48 : x - Step 2: Convert to fraction form
28,658,883.24/39,548,868.36 = 16,268,868.48/x - Step 3: Cross multiply
28,658,883.24x = 39,548,868.36 × 16,268,868.48 - Step 4: Simplify right side
28,658,883.24x = 643,415,337,881,673.25 - Step 5: Solve for x
x = 643,415,337,881,673.25/28,658,883.24 - Step 6: Final answer
x = 22,450,816.82
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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.