Finding the Fourth Proportional to 11,789,901.24, 17,684,850.78 and 3,270,238.08
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Solution
The fourth proportional to 11,789,901.24, 17,684,850.78 and 3,270,238.08 is: 4,905,356.82
Step by Step Solution
- Step 1: Write the proportion equation
11,789,901.24 : 17,684,850.78 = 3,270,238.08 : x - Step 2: Convert to fraction form
11,789,901.24/17,684,850.78 = 3,270,238.08/x - Step 3: Cross multiply
11,789,901.24x = 17,684,850.78 × 3,270,238.08 - Step 4: Simplify right side
11,789,901.24x = 57,833,672,459,873.71 - Step 5: Solve for x
x = 57,833,672,459,873.71/11,789,901.24 - Step 6: Final answer
x = 4,905,356.82
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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.