Finding the Fourth Proportional to 13,753,361.36, 20,630,748.49 and 3,518,309.79
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Solution
The fourth proportional to 13,753,361.36, 20,630,748.49 and 3,518,309.79 is: 5,277,645.40
Step by Step Solution
- Step 1: Write the proportion equation
13,753,361.36 : 20,630,748.49 = 3,518,309.79 : x - Step 2: Convert to fraction form
13,753,361.36/20,630,748.49 = 3,518,309.79/x - Step 3: Cross multiply
13,753,361.36x = 20,630,748.49 × 3,518,309.79 - Step 4: Simplify right side
13,753,361.36x = 72,585,364,378,598.95 - Step 5: Solve for x
x = 72,585,364,378,598.95/13,753,361.36 - Step 6: Final answer
x = 5,277,645.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.