Finding the Fourth Proportional to 20,484,195.17, 30,706,322.09 and 8,184,491.98
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Solution
The fourth proportional to 20,484,195.17, 30,706,322.09 and 8,184,491.98 is: 12,268,758.66
Step by Step Solution
- Step 1: Write the proportion equation
20,484,195.17 : 30,706,322.09 = 8,184,491.98 : x - Step 2: Convert to fraction form
20,484,195.17/30,706,322.09 = 8,184,491.98/x - Step 3: Cross multiply
20,484,195.17x = 30,706,322.09 × 8,184,491.98 - Step 4: Simplify right side
20,484,195.17x = 251,315,646,727,370.22 - Step 5: Solve for x
x = 251,315,646,727,370.22/20,484,195.17 - Step 6: Final answer
x = 12,268,758.66
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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.