Finding the Fourth Proportional to 19,632,072.12, 27,085,246.20 and 11,367,622.68
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Solution
The fourth proportional to 19,632,072.12, 27,085,246.20 and 11,367,622.68 is: 15,683,258.35
Step by Step Solution
- Step 1: Write the proportion equation
19,632,072.12 : 27,085,246.20 = 11,367,622.68 : x - Step 2: Convert to fraction form
19,632,072.12/27,085,246.20 = 11,367,622.68/x - Step 3: Cross multiply
19,632,072.12x = 27,085,246.20 × 11,367,622.68 - Step 4: Simplify right side
19,632,072.12x = 307,894,858,996,503.81 - Step 5: Solve for x
x = 307,894,858,996,503.81/19,632,072.12 - Step 6: Final answer
x = 15,683,258.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.