Finding the Fourth Proportional to 11,631,903.36, 17,439,775.26 and 5,151,447.33
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Solution
The fourth proportional to 11,631,903.36, 17,439,775.26 and 5,151,447.33 is: 7,723,592.68
Step by Step Solution
- Step 1: Write the proportion equation
11,631,903.36 : 17,439,775.26 = 5,151,447.33 : x - Step 2: Convert to fraction form
11,631,903.36/17,439,775.26 = 5,151,447.33/x - Step 3: Cross multiply
11,631,903.36x = 17,439,775.26 × 5,151,447.33 - Step 4: Simplify right side
11,631,903.36x = 89,840,083,698,927.06 - Step 5: Solve for x
x = 89,840,083,698,927.06/11,631,903.36 - Step 6: Final answer
x = 7,723,592.68
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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.