Finding the Fourth Proportional to 34,684,745.85, 47,863,119.41 and 19,799,478.44
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Solution
The fourth proportional to 34,684,745.85, 47,863,119.41 and 19,799,478.44 is: 27,322,235.69
Step by Step Solution
- Step 1: Write the proportion equation
34,684,745.85 : 47,863,119.41 = 19,799,478.44 : x - Step 2: Convert to fraction form
34,684,745.85/47,863,119.41 = 19,799,478.44/x - Step 3: Cross multiply
34,684,745.85x = 47,863,119.41 × 19,799,478.44 - Step 4: Simplify right side
34,684,745.85x = 947,664,800,744,862.12 - Step 5: Solve for x
x = 947,664,800,744,862.12/34,684,745.85 - Step 6: Final answer
x = 27,322,235.69
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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.