Finding the Fourth Proportional to 27,763,817.92, 38,313,802.44 and 15,998,763.94
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Solution
The fourth proportional to 27,763,817.92, 38,313,802.44 and 15,998,763.94 is: 22,078,140.79
Step by Step Solution
- Step 1: Write the proportion equation
27,763,817.92 : 38,313,802.44 = 15,998,763.94 : x - Step 2: Convert to fraction form
27,763,817.92/38,313,802.44 = 15,998,763.94/x - Step 3: Cross multiply
27,763,817.92x = 38,313,802.44 × 15,998,763.94 - Step 4: Simplify right side
27,763,817.92x = 612,973,480,785,571.50 - Step 5: Solve for x
x = 612,973,480,785,571.50/27,763,817.92 - Step 6: Final answer
x = 22,078,140.79
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1.5x scale
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.