Finding the Fourth Proportional to 39,294,496.80, 58,941,745.20 and 13,732,840.80
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Solution
The fourth proportional to 39,294,496.80, 58,941,745.20 and 13,732,840.80 is: 20,599,261.20
Step by Step Solution
- Step 1: Write the proportion equation
39,294,496.80 : 58,941,745.20 = 13,732,840.80 : x - Step 2: Convert to fraction form
39,294,496.80/58,941,745.20 = 13,732,840.80/x - Step 3: Cross multiply
39,294,496.80x = 58,941,745.20 × 13,732,840.80 - Step 4: Simplify right side
39,294,496.80x = 809,437,603,305,764.25 - Step 5: Solve for x
x = 809,437,603,305,764.25/39,294,496.80 - Step 6: Final answer
x = 20,599,261.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.