Finding the Fourth Proportional to 18,019,769.68, 27,029,429.08 and 4,373,029.12
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Solution
The fourth proportional to 18,019,769.68, 27,029,429.08 and 4,373,029.12 is: 6,559,488.97
Step by Step Solution
- Step 1: Write the proportion equation
18,019,769.68 : 27,029,429.08 = 4,373,029.12 : x - Step 2: Convert to fraction form
18,019,769.68/27,029,429.08 = 4,373,029.12/x - Step 3: Cross multiply
18,019,769.68x = 27,029,429.08 × 4,373,029.12 - Step 4: Simplify right side
18,019,769.68x = 118,200,480,463,814.81 - Step 5: Solve for x
x = 118,200,480,463,814.81/18,019,769.68 - Step 6: Final answer
x = 6,559,488.97
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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.