Finding the Fourth Proportional to 18,599,349.60, 27,899,547.84 and 5,136,177.60
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Solution
The fourth proportional to 18,599,349.60, 27,899,547.84 and 5,136,177.60 is: 7,704,410.95
Step by Step Solution
- Step 1: Write the proportion equation
18,599,349.60 : 27,899,547.84 = 5,136,177.60 : x - Step 2: Convert to fraction form
18,599,349.60/27,899,547.84 = 5,136,177.60/x - Step 3: Cross multiply
18,599,349.60x = 27,899,547.84 × 5,136,177.60 - Step 4: Simplify right side
18,599,349.60x = 143,297,032,665,936.38 - Step 5: Solve for x
x = 143,297,032,665,936.38/18,599,349.60 - Step 6: Final answer
x = 7,704,410.95
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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.