Finding the Fourth Proportional to 43,490,258, 65,235,779.52 and 13,198,121.12
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Solution
The fourth proportional to 43,490,258, 65,235,779.52 and 13,198,121.12 is: 19,797,300.80
Step by Step Solution
- Step 1: Write the proportion equation
43,490,258 : 65,235,779.52 = 13,198,121.12 : x - Step 2: Convert to fraction form
43,490,258/65,235,779.52 = 13,198,121.12/x - Step 3: Cross multiply
43,490,258x = 65,235,779.52 × 13,198,121.12 - Step 4: Simplify right side
43,490,258x = 860,989,719,462,575.50 - Step 5: Solve for x
x = 860,989,719,462,575.50/43,490,258 - Step 6: Final answer
x = 19,797,300.80
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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.