Finding the Fourth Proportional to 48,436,735.80, 66,858,890.22 and 28,863,762.96
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Solution
The fourth proportional to 48,436,735.80, 66,858,890.22 and 28,863,762.96 is: 39,841,643.48
Step by Step Solution
- Step 1: Write the proportion equation
48,436,735.80 : 66,858,890.22 = 28,863,762.96 : x - Step 2: Convert to fraction form
48,436,735.80/66,858,890.22 = 28,863,762.96/x - Step 3: Cross multiply
48,436,735.80x = 66,858,890.22 × 28,863,762.96 - Step 4: Simplify right side
48,436,735.80x = 1,929,799,159,078,742.25 - Step 5: Solve for x
x = 1,929,799,159,078,742.25/48,436,735.80 - Step 6: Final answer
x = 39,841,643.48
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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.