Finding the Fourth Proportional to 13,540,447.99, 20,315,727.99 and 5,455,717.18
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Solution
The fourth proportional to 13,540,447.99, 20,315,727.99 and 5,455,717.18 is: 8,185,612.94
Step by Step Solution
- Step 1: Write the proportion equation
13,540,447.99 : 20,315,727.99 = 5,455,717.18 : x - Step 2: Convert to fraction form
13,540,447.99/20,315,727.99 = 5,455,717.18/x - Step 3: Cross multiply
13,540,447.99x = 20,315,727.99 × 5,455,717.18 - Step 4: Simplify right side
13,540,447.99x = 110,836,866,219,249.86 - Step 5: Solve for x
x = 110,836,866,219,249.86/13,540,447.99 - Step 6: Final answer
x = 8,185,612.94
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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.