Finding the Fourth Proportional to 29,987,119.44, 44,946,675.12 and 13,779,580.56
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Solution
The fourth proportional to 29,987,119.44, 44,946,675.12 and 13,779,580.56 is: 20,653,745.42
Step by Step Solution
- Step 1: Write the proportion equation
29,987,119.44 : 44,946,675.12 = 13,779,580.56 : x - Step 2: Convert to fraction form
29,987,119.44/44,946,675.12 = 13,779,580.56/x - Step 3: Cross multiply
29,987,119.44x = 44,946,675.12 × 13,779,580.56 - Step 4: Simplify right side
29,987,119.44x = 619,346,330,720,187.62 - Step 5: Solve for x
x = 619,346,330,720,187.62/29,987,119.44 - Step 6: Final answer
x = 20,653,745.42
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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.